color-space - npm Package Compare versions

Comparing version 0.1.1 to 0.2.1

index.js

 //TODO: save hue on setting sat = 0;
 
-
-var options = {
-  illuminant: 'D65',
-  observer: '2'
-};
-
-
-var rgb = {
-  hsl: function(rgb) {
-    var r = rgb[0]/255,
-        g = rgb[1]/255,
-        b = rgb[2]/255,
-        min = Math.min(r, g, b),
-        max = Math.max(r, g, b),
-        delta = max - min,
-        h, s, l;
-
-    if (max == min)
-      h = 0;
-    else if (r == max)
-      h = (g - b) / delta;
-    else if (g == max)
-      h = 2 + (b - r) / delta;
-    else if (b == max)
-      h = 4 + (r - g)/ delta;
-
-    h = Math.min(h * 60, 360);
-
-    if (h < 0)
-      h += 360;
-
-    l = (min + max) / 2;
-
-    if (max == min)
-      s = 0;
-    else if (l <= 0.5)
-      s = delta / (max + min);
-    else
-      s = delta / (2 - max - min);
-
-    return [h, s * 100, l * 100];
-  },
-
-  hsv: function(rgb) {
-    var r = rgb[0],
-        g = rgb[1],
-        b = rgb[2],
-        min = Math.min(r, g, b),
-        max = Math.max(r, g, b),
-        delta = max - min,
-        h, s, v;
-
-    if (max == 0)
-      s = 0;
-    else
-      s = (delta/max * 1000)/10;
-
-    if (max == min)
-      h = 0;
-    else if (r == max)
-      h = (g - b) / delta;
-    else if (g == max)
-      h = 2 + (b - r) / delta;
-    else if (b == max)
-      h = 4 + (r - g) / delta;
-
-    h = Math.min(h * 60, 360);
-
-    if (h < 0)
-      h += 360;
-
-    v = ((max / 255) * 1000) / 10;
-
-    return [h, s, v];
-  },
-
-  hwb: function(val) {
-    var r = val[0],
-        g = val[1],
-        b = val[2],
-        h = rgb.hsl(val)[0],
-        w = 1/255 * Math.min(r, Math.min(g, b)),
-        b = 1 - 1/255 * Math.max(r, Math.max(g, b));
-
-    return [h, w * 100, b * 100];
-  },
-
-  cmyk: function(rgb) {
-    var r = rgb[0] / 255,
-        g = rgb[1] / 255,
-        b = rgb[2] / 255,
-        c, m, y, k;
-
-    k = Math.min(1 - r, 1 - g, 1 - b);
-    c = (1 - r - k) / (1 - k) || 0;
-    m = (1 - g - k) / (1 - k) || 0;
-    y = (1 - b - k) / (1 - k) || 0;
-    return [c * 100, m * 100, y * 100, k * 100];
-  },
-
-  xyz: function(rgb) {
-    var r = rgb[0] / 255,
-        g = rgb[1] / 255,
-        b = rgb[2] / 255;
-
-    // assume sRGB
-    r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92);
-    g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92);
-    b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92);
-
-    var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);
-    var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);
-    var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);
-
-    return [x * 100, y *100, z * 100];
-  },
-
-  lab: function(args) {
-    var xyz = rgb.xyz(args),
-          x = xyz[0],
-          y = xyz[1],
-          z = xyz[2],
-          l, a, b;
-
-    x /= 95.047;
-    y /= 100;
-    z /= 108.883;
-
-    x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);
-    y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);
-    z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);
-
-    l = (116 * y) - 16;
-    a = 500 * (x - y);
-    b = 200 * (y - z);
-
-    return [l, a, b];
-  },
-
-  lch: function(args) {
-    return lab.lch(rgb.lab(args));
-  },
-
-  luv: function(args){
-    return xyz.luv(rgb.xyz(args));
-  },
-
-  lchuv: function(args){
-    return luv.lchuv(rgb.luv(args));
-  },
-
-  min: [0,0,0],
-  max: [255,255,255],
-  channel: ['red', 'green', 'blue']
-};
-
-
-var hsl = {
-  rgb: function(hsl) {
-    var h = hsl[0] / 360,
-        s = hsl[1] / 100,
-        l = hsl[2] / 100,
-        t1, t2, t3, rgb, val;
-
-    if (s == 0) {
-      val = l * 255;
-      return [val, val, val];
-    }
-
-    if (l < 0.5)
-      t2 = l * (1 + s);
-    else
-      t2 = l + s - l * s;
-    t1 = 2 * l - t2;
-
-    rgb = [0, 0, 0];
-    for (var i = 0; i < 3; i++) {
-      t3 = h + 1 / 3 * - (i - 1);
-      t3 < 0 && t3++;
-      t3 > 1 && t3--;
-
-      if (6 * t3 < 1)
-        val = t1 + (t2 - t1) * 6 * t3;
-      else if (2 * t3 < 1)
-        val = t2;
-      else if (3 * t3 < 2)
-        val = t1 + (t2 - t1) * (2 / 3 - t3) * 6;
-      else
-        val = t1;
-
-      rgb[i] = val * 255;
-    }
-
-    return rgb;
-  },
-
-  hsv: function(hsl) {
-    var h = hsl[0],
-        s = hsl[1] / 100,
-        l = hsl[2] / 100,
-        sv, v;
-    l *= 2;
-    s *= (l <= 1) ? l : 2 - l;
-    v = (l + s) / 2;
-    sv = (2 * s) / (l + s);
-    return [h, sv * 100, v * 100];
-  },
-
-  hwb: function(args) {
-    return rgb.hwb(hsl.rgb(args));
-  },
-
-  cmyk: function(args) {
-    return rgb.cmyk(hsl.rgb(args));
-  },
-
-
-  xyz: function(arg) {
-    return rgb.xyz(hsl.rgb(arg));
-  },
-
-  lab: function(arg) {
-    return rgb.lab(hsl.rgb(arg));
-  },
-
-  lch: function(arg) {
-    return rgb.lch(hsl.rgb(arg));
-  },
-
-  luv: function(arg) {
-    return rgb.luv(hsl.rgb(arg));
-  },
-
-
-  min: [0,0,0],
-  max: [360,100,100],
-  channel: ['hue', 'saturation', 'lightness']
-};
-
-
-var hsv = {
-  rgb: function(hsv) {
-    var h = hsv[0] / 60,
-        s = hsv[1] / 100,
-        v = hsv[2] / 100,
-        hi = Math.floor(h) % 6;
-
-    var f = h - Math.floor(h),
-        p = 255 * v * (1 - s),
-        q = 255 * v * (1 - (s * f)),
-        t = 255 * v * (1 - (s * (1 - f))),
-        v = 255 * v;
-
-    switch(hi) {
-      case 0:
-        return [v, t, p];
-      case 1:
-        return [q, v, p];
-      case 2:
-        return [p, v, t];
-      case 3:
-        return [p, q, v];
-      case 4:
-        return [t, p, v];
-      case 5:
-        return [v, p, q];
-    }
-  },
-
-  hsl: function(hsv) {
-    var h = hsv[0],
-      s = hsv[1] / 100,
-      v = hsv[2] / 100,
-      sl, l;
-
-    l = (2 - s) * v;
-    sl = s * v;
-    sl /= (l <= 1) ? l : 2 - l;
-    sl = sl || 0;
-    l /= 2;
-    return [h, sl * 100, l * 100];
-  },
-
-  hwb: function(args) {
-    return rgb.hwb(hsv.rgb(args))
-  },
-
-  cmyk: function(args) {
-    return rgb.cmyk(hsv.rgb(args));
-  },
-
-
-
-  xyz: function(arg) {
-    return rgb.xyz(hsv.rgb(arg));
-  },
-
-  lab: function(arg) {
-    return rgb.lab(hsv.rgb(arg));
-  },
-
-  lch: function(arg) {
-    return rgb.lch(hsv.rgb(arg));
-  },
-
-  luv: function(arg) {
-    return rgb.luv(hsv.rgb(arg));
-  },
-
-
-
-  min: [0,0,0],
-  max: [360,100,100],
-  channel: ['hue', 'saturation', 'value'],
-  alias: ['hsb']
-};
-
-
-var hwb = {
-  // http://dev.w3.org/csswg/css-color/#hwb-to-rgb
-  rgb: function(hwb) {
-    var h = hwb[0] / 360,
-        wh = hwb[1] / 100,
-        bl = hwb[2] / 100,
-        ratio = wh + bl,
-        i, v, f, n;
-
-    var r, g, b;
-
-    // wh + bl cant be > 1
-    if (ratio > 1) {
-      wh /= ratio;
-      bl /= ratio;
-    }
-
-    i = Math.floor(6 * h);
-    v = 1 - bl;
-    f = 6 * h - i;
-    if ((i & 0x01) != 0) {
-      f = 1 - f;
-    }
-    n = wh + f * (v - wh);  // linear interpolation
-
-    switch (i) {
-      default:
-      case 6:
-      case 0: r = v; g = n; b = wh; break;
-      case 1: r = n; g = v; b = wh; break;
-      case 2: r = wh; g = v; b = n; break;
-      case 3: r = wh; g = n; b = v; break;
-      case 4: r = n; g = wh; b = v; break;
-      case 5: r = v; g = wh; b = n; break;
-    }
-
-    return [r * 255, g * 255, b * 255];
-  },
-
-  hsl: function(args) {
-    return rgb.hsl(hwb.rgb(args));
-  },
-
-  hsv: function(args) {
-    return rgb.hsv(hwb.rgb(args));
-  },
-
-  cmyk: function(args) {
-    return rgb.cmyk(hwb.rgb(args));
-  },
-
-
-  xyz: function(args) {
-    return rgb.xyz(hwb.rgb(args));
-  },
-
-  lab: function(arg) {
-    return rgb.lab(hwb.rgb(arg));
-  },
-
-  lch: function(arg) {
-    return rgb.lch(hwb.rgb(arg));
-  },
-
-  luv: function(arg) {
-    return rgb.luv(hwb.rgb(arg));
-  },
-
-
-  min: [0,0,0],
-  max: [360,100,100],
-  channel: ['hue', 'whiteness', 'blackness']
-};
-
-
-var cmyk = {
-  rgb: function(cmyk) {
-    var c = cmyk[0] / 100,
-        m = cmyk[1] / 100,
-        y = cmyk[2] / 100,
-        k = cmyk[3] / 100,
-        r, g, b;
-
-    r = 1 - Math.min(1, c * (1 - k) + k);
-    g = 1 - Math.min(1, m * (1 - k) + k);
-    b = 1 - Math.min(1, y * (1 - k) + k);
-    return [r * 255, g * 255, b * 255];
-  },
-
-  hsl: function(args) {
-    return rgb.hsl(cmyk.rgb(args));
-  },
-
-  hsv: function(args) {
-    return rgb.hsv(cmyk.rgb(args));
-  },
-
-  hwb: function(args) {
-    return rgb.hwb(cmyk.rgb(args));
-  },
-
-
-  xyz: function(arg) {
-    return rgb.xyz(cmyk.rgb(arg));
-  },
-
-  lab: function(arg) {
-    return rgb.lab(cmyk.rgb(arg));
-  },
-
-  lch: function(arg) {
-    return rgb.lch(cmyk.rgb(arg));
-  },
-
-  luv: function(arg) {
-    return rgb.luv(cmyk.rgb(arg));
-  },
-
-
-  min: [0,0,0,0],
-  max: [100,100,100,100],
-  channel: ['cyan', 'magenta', 'yellow', 'black']
-};
-
-
-var xyz = {
-  //TODO: fix this maths so to return 255,255,255 in rgb
-  rgb: function(xyz) {
-    var x = xyz[0] / 100,
-        y = xyz[1] / 100,
-        z = xyz[2] / 100,
-        r, g, b;
-
-    // assume sRGB
-    // http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html
-    r = (x * 3.2404542) + (y * -1.5371385) + (z * -0.4985314);
-    g = (x * -0.9692660) + (y * 1.8760108) + (z * 0.0415560);
-    b = (x * 0.0556434) + (y * -0.2040259) + (z * 1.0572252);
-
-    r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055)
-      : r = (r * 12.92);
-
-    g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055)
-      : g = (g * 12.92);
-
-    b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055)
-      : b = (b * 12.92);
-
-    r = Math.min(Math.max(0, r), 1);
-    g = Math.min(Math.max(0, g), 1);
-    b = Math.min(Math.max(0, b), 1);
-
-    return [r * 255, g * 255, b * 255];
-  },
-
-  hsl: function(arg) {
-    return rgb.hsl(xyz.rgb(arg));
-  },
-
-  hsv: function(arg) {
-    return rgb.hsv(xyz.rgb(arg));
-  },
-
-  hwb: function(arg) {
-    return rgb.hwb(xyz.rgb(arg));
-  },
-
-  cmyk: function(arg) {
-    return rgb.cmyk(xyz.rgb(arg));
-  },
-
-  lab: function(xyz) {
-    var x = xyz[0],
-        y = xyz[1],
-        z = xyz[2],
-        l, a, b;
-
-    x /= 95.047;
-    y /= 100;
-    z /= 108.883;
-
-    x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);
-    y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);
-    z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);
-
-    l = (116 * y) - 16;
-    a = 500 * (x - y);
-    b = 200 * (y - z);
-
-    return [l, a, b];
-  },
-
-  lch: function(args) {
-    return lab.lch(xyz.lab(args));
-  },
-
-  //http://www.brucelindbloom.com/index.html?Equations.html
-  luv: function(arg, i) {
-    var _u, _v, l, u, v, x, y, z, yn, un, vn;
-
-    //get constants
-    var e = 0.008856451679035631; //(6/29)^3
-    var k = 903.2962962962961; //(29/3)^3
-
-    //get illuminant
-    i = i || options.illuminant;
-
-    yn = xyz.illuminant[i][1];
-    un = luv.illuminant[i][1]/100;
-    vn = luv.illuminant[i][2]/100;
-
-    x = arg[0]/100, y = arg[1]/100, z = arg[2]/100;
-
-    _u = (4 * x) / (x + (15 * y) + (3 * z));
-    _v = (9 * y) / (x + (15 * y) + (3 * z));
-
-    var yr = y/yn;
-
-    l = yr <= e ? k * yr : 116 * Math.pow(yr, .333333333) - 16;
-
-    u = 13 * l * (_u - un);
-    v = 13 * l * (_v - vn);
-
-    return [l, u, v];
-  },
-
-  //TODO
-  cam: function(xyz){
-    var x = xyz[0], y = xyz[1], z = xyz[2];
-
-    //Mcat02
-    var m =[[0.7328, 0.4296, -0.1624], [-0.7036, 1.6975, 0.0061], [0.0030, 0.0136, 0.9834]];
-
-    //get lms
-    var L = x*m[0][0] + y*m[0][1]  + z*m[0][2];
-    var M =  x*m[1][0] + y*m[1][1] + z*m[1][2];
-    var S = x*m[2][0] + y*m[2][1] + z*m[2][2];
-
-    //calc lc, mc, sc
-    //FIXME: choose proper d
-    var d = 0.85;
-    var Lwr = 100, Mwr = 100, Swr = 100;
-    var Lc = (Lwr*D/Lw + 1 - D) * L;
-    var Mc = (Mwr*D/Mw + 1 - D) * M;
-    var Sc = (Swr*D/Sw + 1 - D) * S;
-  },
-
-  min: [0,0,0],
-  max: [96,100,109],
-  channel: ['lightness','u','v'],
-  alias: ['ciexyz'],
-
-  //Xn, Yn, Zn
-  illuminant: {
-    A:[109.85, 100, 35.58],
-    C: [98.07, 100, 118.23],
-    E: [100,100,100],
-    D65: [95.04, 100, 108.88]
-  }
-};
-
-
-var lab = {
-  xyz: function(lab) {
-    var l = lab[0],
-        a = lab[1],
-        b = lab[2],
-        x, y, z, y2;
-
-    if (l <= 8) {
-      y = (l * 100) / 903.3;
-      y2 = (7.787 * (y / 100)) + (16 / 116);
-    } else {
-      y = 100 * Math.pow((l + 16) / 116, 3);
-      y2 = Math.pow(y / 100, 1/3);
-    }
-
-    x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3);
-
-    z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3);
-
-    return [x, y, z];
-  },
-
-  lch: function(lab) {
-    var l = lab[0],
-        a = lab[1],
-        b = lab[2],
-        hr, h, c;
-
-    hr = Math.atan2(b, a);
-    h = hr * 360 / 2 / Math.PI;
-    if (h < 0) {
-      h += 360;
-    }
-    c = Math.sqrt(a * a + b * b);
-    return [l, c, h];
-  },
-
-  luv: function(arg) {
-  },
-
-
-  rgb: function(args) {
-    return xyz.rgb(lab.xyz(args));
-  },
-
-  hsl: function(arg) {
-    return rgb.hsl(lab.rgb(arg));
-  },
-
-  hsv: function(arg) {
-    return rgb.hsv(lab.rgb(arg));
-  },
-
-  hwb: function(arg) {
-    return rgb.hwb(lab.rgb(arg));
-  },
-
-  cmyk: function(arg) {
-    return rgb.cmyk(lab.rgb(arg));
-  },
-
-
-  min: [0,-100,-100],
-  max: [100,100,100],
-  channel: ['lightness', 'a', 'b'],
-  alias: ['cielab']
-};
-
-
-//cylindrical lab
-var lch = {
-  lab: function(lch) {
-    var l = lch[0],
-        c = lch[1],
-        h = lch[2],
-        a, b, hr;
-
-    hr = h / 360 * 2 * Math.PI;
-    a = c * Math.cos(hr);
-    b = c * Math.sin(hr);
-    return [l, a, b];
-  },
-
-  xyz: function(args) {
-    return lab.xyz(lch.lab(args));
-  },
-
-  rgb: function(args) {
-    return lab.rgb(lch.lab(args));
-  },
-
-
-  hsl: function(arg) {
-    return rgb.hsl(lch.rgb(arg));
-  },
-
-  hsv: function(arg) {
-    return rgb.hsv(lch.rgb(arg));
-  },
-
-  hwb: function(arg) {
-    return rgb.hwb(lch.rgb(arg));
-  },
-
-  cmyk: function(arg) {
-    return rgb.cmyk(lch.rgb(arg));
-  },
-
-  luv: function(){
-
-  },
-
-  min: [0,0,0],
-  max: [100,100,360],
-  channel: ['lightness', 'chroma', 'hue'],
-  alias: ['cielch', 'lchab']
-};
-
-
-
-//TODO
-var luv = {
-  xyz: function(luv){
-
-  },
-
-  lchuv: function(luv){
-    var C = Math.sqrt();
-  },
-
-  min: [0,-100,-100],
-  max: [100,100,100],
-  channel: ['lightness', 'u', 'v'],
-  alias: ['cieluv'],
-
-
-  //Yn, un,vn: http://www.optique-ingenieur.org/en/courses/OPI_ang_M07_C02/co/Contenu_08.html
-  illuminant: {
-    A:[100, 255.97, 524.29],
-    C: [100, 200.89, 460.89],
-    E: [100,100,100],
-    D65: [100, 197, 468.34]
-  }
-};
-
-
-//TODO
-//cylindrical luv
-var lchuv = {
-  luv: function(){
-
-  },
-  alias: ['cielchuv']
-};
-
-
-
-//TODO
-var xyy = {
-  alias: ['ciexyy']
-};
-
-
-
-
-//CIECAM02 http://en.wikipedia.org/wiki/CIECAM02
-var cam = {
-
-  alias: ['ciecam']
-};
-
-
-//@link http://www.boronine.com/husl/
-//TODO
-var husl = {
-
-};
-
-
-//TODO
-var huslp = {
-
-};
-
-
-
 /**
@@ -773,13 +7,12 @@ * @module color-space
 module.exports = {
-  options: options,
-  rgb: rgb,
-  hsl: hsl,
-  hsv: hsv,
-  hwb: hwb,
-  cmyk: cmyk,
-  xyz: xyz,
-  lab: lab,
-  lch: lch,
-  luv: luv,
+  rgb: require('./rgb'),
+  hsl: require('./hsl'),
+  hsv: require('./hsv'),
+  hwb: require('./hwb'),
+  cmyk: require('./cmyk'),
+  xyz: require('./xyz'),
+  lab: require('./lab'),
+  lch: require('./lch'),
+  luv: require('./luv')
   // lchuv: lchuv
 };

package.json

 {
   "name": "color-space",
   "description": "Math & data behind color spaces and color conversions.",
-  "version": "0.1.1",
+  "version": "0.2.1",
   "author": "Deema Ywanow <[e-mail]>",
@@ -6,0 +6,0 @@ "repository": {

README.md

 # color-space [![Build Status](https://travis-ci.org/dfcreative/color-space.svg?branch=master)](https://travis-ci.org/dfcreative/color-space)
 
-Math and data behind color spaces and color conversions. [Converter & tests](https://rawgit.com/dfcreative/color-space/master/test/index.html).
+Math and data behind color spaces and color conversions. [Converter & tests](https://cdn.rawgit.com/dfcreative/color-space/master/test/index.html).
 
@@ -14,9 +14,24 @@ [![NPM](https://nodei.co/npm/color-space.png?downloads=true&downloadRank=true&stars=true)](https://nodei.co/npm/color-space/)
 
+
+To include all spaces at once:
+
 ```js
-var convert = require('color-space');
+var spaces = require('color-space');
 
+//convert lab to lch
+spaces.lab.lch([80,50,60]);
+```
+
+
+To include one target space:
+
+```js
+var rgb = require('color-space/rgb');
+var hsl = require('color-space/hsl');
+
 //convert rgb to lch
-convert.rgb.lch([200,230,100]);
+hsl.lch([200,230,100]);
 ```
 
+
 ## API
@@ -29,3 +44,3 @@
 
-convert[fromSpace][toSpace](array);
+spaces[fromSpace][toSpace](array);
 ```
@@ -36,6 +51,8 @@
 ```js
-convert[space].min //channel minimums
-convert[space].max //channel maximums
-convert[space].channel //channel names
-convert[space].alias //alias space names, if any
+space.name //space name
+space.min //channel minimums
+space.max //channel maximums
+space.channel //channel names
+space.alias //alias space names, if any
+space.illuminant //space-specific properties
 ```
@@ -56,3 +73,3 @@
 
-To see details `console.log(convert)`.
+To see details `console.log(space)`.
 
@@ -59,0 +76,0 @@

test/test.bundle.js

 require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({"../index":[function(require,module,exports){
 //TODO: save hue on setting sat = 0;
 
+/**
+ * @module color-space
+ */
+module.exports = {
+  rgb: require('./rgb'),
+  hsl: require('./hsl'),
+  hsv: require('./hsv'),
+  hwb: require('./hwb'),
+  cmyk: require('./cmyk'),
+  xyz: require('./xyz'),
+  lab: require('./lab'),
+  lch: require('./lch'),
+  luv: require('./luv')
+  // lchuv: lchuv
+};
+},{"./cmyk":1,"./hsl":2,"./hsv":3,"./hwb":4,"./lab":5,"./lch":6,"./luv":7,"./rgb":14,"./xyz":15}],"assert":[function(require,module,exports){
+// http://wiki.commonjs.org/wiki/Unit_Testing/1.0
+//
+// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!
+//
+// Originally from narwhal.js (http://narwhaljs.org)
+// Copyright (c) 2009 Thomas Robinson <280north.com>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the 'Software'), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-var options = {
-  illuminant: 'D65',
-  observer: '2'
+// when used in node, this will actually load the util module we depend on
+// versus loading the builtin util module as happens otherwise
+// this is a bug in node module loading as far as I am concerned
+var util = require('util/');
+
+var pSlice = Array.prototype.slice;
+var hasOwn = Object.prototype.hasOwnProperty;
+
+// 1. The assert module provides functions that throw
+// AssertionError's when particular conditions are not met. The
+// assert module must conform to the following interface.
+
+var assert = module.exports = ok;
+
+// 2. The AssertionError is defined in assert.
+// new assert.AssertionError({ message: message,
+//                             actual: actual,
+//                             expected: expected })
+
+assert.AssertionError = function AssertionError(options) {
+  this.name = 'AssertionError';
+  this.actual = options.actual;
+  this.expected = options.expected;
+  this.operator = options.operator;
+  if (options.message) {
+    this.message = options.message;
+    this.generatedMessage = false;
+  } else {
+    this.message = getMessage(this);
+    this.generatedMessage = true;
+  }
+  var stackStartFunction = options.stackStartFunction || fail;
+
+  if (Error.captureStackTrace) {
+    Error.captureStackTrace(this, stackStartFunction);
+  }
+  else {
+    // non v8 browsers so we can have a stacktrace
+    var err = new Error();
+    if (err.stack) {
+      var out = err.stack;
+
+      // try to strip useless frames
+      var fn_name = stackStartFunction.name;
+      var idx = out.indexOf('\n' + fn_name);
+      if (idx >= 0) {
+        // once we have located the function frame
+        // we need to strip out everything before it (and its line)
+        var next_line = out.indexOf('\n', idx + 1);
+        out = out.substring(next_line + 1);
+      }
+
+      this.stack = out;
+    }
+  }
 };
 
+// assert.AssertionError instanceof Error
+util.inherits(assert.AssertionError, Error);
 
-var rgb = {
-  hsl: function(rgb) {
-    var r = rgb[0]/255,
-        g = rgb[1]/255,
-        b = rgb[2]/255,
-        min = Math.min(r, g, b),
-        max = Math.max(r, g, b),
-        delta = max - min,
-        h, s, l;
+function replacer(key, value) {
+  if (util.isUndefined(value)) {
+    return '' + value;
+  }
+  if (util.isNumber(value) && (isNaN(value) || !isFinite(value))) {
+    return value.toString();
+  }
+  if (util.isFunction(value) || util.isRegExp(value)) {
+    return value.toString();
+  }
+  return value;
+}
 
-    if (max == min)
-      h = 0;
-    else if (r == max)
-      h = (g - b) / delta;
-    else if (g == max)
-      h = 2 + (b - r) / delta;
-    else if (b == max)
-      h = 4 + (r - g)/ delta;
+function truncate(s, n) {
+  if (util.isString(s)) {
+    return s.length < n ? s : s.slice(0, n);
+  } else {
+    return s;
+  }
+}
 
-    h = Math.min(h * 60, 360);
+function getMessage(self) {
+  return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' +
+         self.operator + ' ' +
+         truncate(JSON.stringify(self.expected, replacer), 128);
+}
 
-    if (h < 0)
-      h += 360;
+// At present only the three keys mentioned above are used and
+// understood by the spec. Implementations or sub modules can pass
+// other keys to the AssertionError's constructor - they will be
+// ignored.
 
-    l = (min + max) / 2;
+// 3. All of the following functions must throw an AssertionError
+// when a corresponding condition is not met, with a message that
+// may be undefined if not provided.  All assertion methods provide
+// both the actual and expected values to the assertion error for
+// display purposes.
 
-    if (max == min)
-      s = 0;
-    else if (l <= 0.5)
-      s = delta / (max + min);
-    else
-      s = delta / (2 - max - min);
+function fail(actual, expected, message, operator, stackStartFunction) {
+  throw new assert.AssertionError({
+    message: message,
+    actual: actual,
+    expected: expected,
+    operator: operator,
+    stackStartFunction: stackStartFunction
+  });
+}
 
-    return [h, s * 100, l * 100];
-  },
+// EXTENSION! allows for well behaved errors defined elsewhere.
+assert.fail = fail;
 
-  hsv: function(rgb) {
-    var r = rgb[0],
-        g = rgb[1],
-        b = rgb[2],
-        min = Math.min(r, g, b),
-        max = Math.max(r, g, b),
-        delta = max - min,
-        h, s, v;
+// 4. Pure assertion tests whether a value is truthy, as determined
+// by !!guard.
+// assert.ok(guard, message_opt);
+// This statement is equivalent to assert.equal(true, !!guard,
+// message_opt);. To test strictly for the value true, use
+// assert.strictEqual(true, guard, message_opt);.
 
-    if (max == 0)
-      s = 0;
-    else
-      s = (delta/max * 1000)/10;
+function ok(value, message) {
+  if (!value) fail(value, true, message, '==', assert.ok);
+}
+assert.ok = ok;
 
-    if (max == min)
-      h = 0;
-    else if (r == max)
-      h = (g - b) / delta;
-    else if (g == max)
-      h = 2 + (b - r) / delta;
-    else if (b == max)
-      h = 4 + (r - g) / delta;
+// 5. The equality assertion tests shallow, coercive equality with
+// ==.
+// assert.equal(actual, expected, message_opt);
 
-    h = Math.min(h * 60, 360);
+assert.equal = function equal(actual, expected, message) {
+  if (actual != expected) fail(actual, expected, message, '==', assert.equal);
+};
 
-    if (h < 0)
-      h += 360;
+// 6. The non-equality assertion tests for whether two objects are not equal
+// with != assert.notEqual(actual, expected, message_opt);
 
-    v = ((max / 255) * 1000) / 10;
+assert.notEqual = function notEqual(actual, expected, message) {
+  if (actual == expected) {
+    fail(actual, expected, message, '!=', assert.notEqual);
+  }
+};
 
-    return [h, s, v];
-  },
+// 7. The equivalence assertion tests a deep equality relation.
+// assert.deepEqual(actual, expected, message_opt);
 
-  hwb: function(val) {
-    var r = val[0],
-        g = val[1],
-        b = val[2],
-        h = rgb.hsl(val)[0],
-        w = 1/255 * Math.min(r, Math.min(g, b)),
-        b = 1 - 1/255 * Math.max(r, Math.max(g, b));
+assert.deepEqual = function deepEqual(actual, expected, message) {
+  if (!_deepEqual(actual, expected)) {
+    fail(actual, expected, message, 'deepEqual', assert.deepEqual);
+  }
+};
 
-    return [h, w * 100, b * 100];
-  },
+function _deepEqual(actual, expected) {
+  // 7.1. All identical values are equivalent, as determined by ===.
+  if (actual === expected) {
+    return true;
 
-  cmyk: function(rgb) {
-    var r = rgb[0] / 255,
-        g = rgb[1] / 255,
-        b = rgb[2] / 255,
-        c, m, y, k;
+  } else if (util.isBuffer(actual) && util.isBuffer(expected)) {
+    if (actual.length != expected.length) return false;
 
-    k = Math.min(1 - r, 1 - g, 1 - b);
-    c = (1 - r - k) / (1 - k) || 0;
-    m = (1 - g - k) / (1 - k) || 0;
-    y = (1 - b - k) / (1 - k) || 0;
-    return [c * 100, m * 100, y * 100, k * 100];
-  },
+    for (var i = 0; i < actual.length; i++) {
+      if (actual[i] !== expected[i]) return false;
+    }
 
-  xyz: function(rgb) {
-    var r = rgb[0] / 255,
-        g = rgb[1] / 255,
-        b = rgb[2] / 255;
+    return true;
 
-    // assume sRGB
-    r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92);
-    g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92);
-    b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92);
+  // 7.2. If the expected value is a Date object, the actual value is
+  // equivalent if it is also a Date object that refers to the same time.
+  } else if (util.isDate(actual) && util.isDate(expected)) {
+    return actual.getTime() === expected.getTime();
 
-    var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);
-    var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);
-    var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);
+  // 7.3 If the expected value is a RegExp object, the actual value is
+  // equivalent if it is also a RegExp object with the same source and
+  // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).
+  } else if (util.isRegExp(actual) && util.isRegExp(expected)) {
+    return actual.source === expected.source &&
+           actual.global === expected.global &&
+           actual.multiline === expected.multiline &&
+           actual.lastIndex === expected.lastIndex &&
+           actual.ignoreCase === expected.ignoreCase;
 
-    return [x * 100, y *100, z * 100];
-  },
+  // 7.4. Other pairs that do not both pass typeof value == 'object',
+  // equivalence is determined by ==.
+  } else if (!util.isObject(actual) && !util.isObject(expected)) {
+    return actual == expected;
 
-  lab: function(args) {
-    var xyz = rgb.xyz(args),
-          x = xyz[0],
-          y = xyz[1],
-          z = xyz[2],
-          l, a, b;
+  // 7.5 For all other Object pairs, including Array objects, equivalence is
+  // determined by having the same number of owned properties (as verified
+  // with Object.prototype.hasOwnProperty.call), the same set of keys
+  // (although not necessarily the same order), equivalent values for every
+  // corresponding key, and an identical 'prototype' property. Note: this
+  // accounts for both named and indexed properties on Arrays.
+  } else {
+    return objEquiv(actual, expected);
+  }
+}
 
-    x /= 95.047;
-    y /= 100;
-    z /= 108.883;
+function isArguments(object) {
+  return Object.prototype.toString.call(object) == '[object Arguments]';
+}
 
-    x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);
-    y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);
-    z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);
+function objEquiv(a, b) {
+  if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b))
+    return false;
+  // an identical 'prototype' property.
+  if (a.prototype !== b.prototype) return false;
+  //~~~I've managed to break Object.keys through screwy arguments passing.
+  //   Converting to array solves the problem.
+  if (isArguments(a)) {
+    if (!isArguments(b)) {
+      return false;
+    }
+    a = pSlice.call(a);
+    b = pSlice.call(b);
+    return _deepEqual(a, b);
+  }
+  try {
+    var ka = objectKeys(a),
+        kb = objectKeys(b),
+        key, i;
+  } catch (e) {//happens when one is a string literal and the other isn't
+    return false;
+  }
+  // having the same number of owned properties (keys incorporates
+  // hasOwnProperty)
+  if (ka.length != kb.length)
+    return false;
+  //the same set of keys (although not necessarily the same order),
+  ka.sort();
+  kb.sort();
+  //~~~cheap key test
+  for (i = ka.length - 1; i >= 0; i--) {
+    if (ka[i] != kb[i])
+      return false;
+  }
+  //equivalent values for every corresponding key, and
+  //~~~possibly expensive deep test
+  for (i = ka.length - 1; i >= 0; i--) {
+    key = ka[i];
+    if (!_deepEqual(a[key], b[key])) return false;
+  }
+  return true;
+}
 
-    l = (116 * y) - 16;
-    a = 500 * (x - y);
-    b = 200 * (y - z);
+// 8. The non-equivalence assertion tests for any deep inequality.
+// assert.notDeepEqual(actual, expected, message_opt);
 
-    return [l, a, b];
+assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
+  if (_deepEqual(actual, expected)) {
+    fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
+  }
+};
+
+// 9. The strict equality assertion tests strict equality, as determined by ===.
+// assert.strictEqual(actual, expected, message_opt);
+
+assert.strictEqual = function strictEqual(actual, expected, message) {
+  if (actual !== expected) {
+    fail(actual, expected, message, '===', assert.strictEqual);
+  }
+};
+
+// 10. The strict non-equality assertion tests for strict inequality, as
+// determined by !==.  assert.notStrictEqual(actual, expected, message_opt);
+
+assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
+  if (actual === expected) {
+    fail(actual, expected, message, '!==', assert.notStrictEqual);
+  }
+};
+
+function expectedException(actual, expected) {
+  if (!actual || !expected) {
+    return false;
+  }
+
+  if (Object.prototype.toString.call(expected) == '[object RegExp]') {
+    return expected.test(actual);
+  } else if (actual instanceof expected) {
+    return true;
+  } else if (expected.call({}, actual) === true) {
+    return true;
+  }
+
+  return false;
+}
+
+function _throws(shouldThrow, block, expected, message) {
+  var actual;
+
+  if (util.isString(expected)) {
+    message = expected;
+    expected = null;
+  }
+
+  try {
+    block();
+  } catch (e) {
+    actual = e;
+  }
+
+  message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +
+            (message ? ' ' + message : '.');
+
+  if (shouldThrow && !actual) {
+    fail(actual, expected, 'Missing expected exception' + message);
+  }
+
+  if (!shouldThrow && expectedException(actual, expected)) {
+    fail(actual, expected, 'Got unwanted exception' + message);
+  }
+
+  if ((shouldThrow && actual && expected &&
+      !expectedException(actual, expected)) || (!shouldThrow && actual)) {
+    throw actual;
+  }
+}
+
+// 11. Expected to throw an error:
+// assert.throws(block, Error_opt, message_opt);
+
+assert.throws = function(block, /*optional*/error, /*optional*/message) {
+  _throws.apply(this, [true].concat(pSlice.call(arguments)));
+};
+
+// EXTENSION! This is annoying to write outside this module.
+assert.doesNotThrow = function(block, /*optional*/message) {
+  _throws.apply(this, [false].concat(pSlice.call(arguments)));
+};
+
+assert.ifError = function(err) { if (err) {throw err;}};
+
+var objectKeys = Object.keys || function (obj) {
+  var keys = [];
+  for (var key in obj) {
+    if (hasOwn.call(obj, key)) keys.push(key);
+  }
+  return keys;
+};
+
+},{"util/":11}],1:[function(require,module,exports){
+var rgb = require('./rgb');
+
+var cmyk = module.exports = {
+  name: 'cmyk',
+  min: [0,0,0,0],
+  max: [100,100,100,100],
+  channel: ['cyan', 'magenta', 'yellow', 'black'],
+
+  rgb: function(cmyk) {
+    var c = cmyk[0] / 100,
+        m = cmyk[1] / 100,
+        y = cmyk[2] / 100,
+        k = cmyk[3] / 100,
+        r, g, b;
+
+    r = 1 - Math.min(1, c * (1 - k) + k);
+    g = 1 - Math.min(1, m * (1 - k) + k);
+    b = 1 - Math.min(1, y * (1 - k) + k);
+    return [r * 255, g * 255, b * 255];
   },
 
-  lch: function(args) {
-    return lab.lch(rgb.lab(args));
+  hsl: function(args) {
+    return rgb.hsl(cmyk.rgb(args));
   },
 
-  luv: function(args){
-    return xyz.luv(rgb.xyz(args));
+  hsv: function(args) {
+    return rgb.hsv(cmyk.rgb(args));
   },
 
-  lchuv: function(args){
-    return luv.lchuv(rgb.luv(args));
+  hwb: function(args) {
+    return rgb.hwb(cmyk.rgb(args));
   },
 
-  min: [0,0,0],
-  max: [255,255,255],
-  channel: ['red', 'green', 'blue']
+
+  xyz: function(arg) {
+    return rgb.xyz(cmyk.rgb(arg));
+  },
+
+  lab: function(arg) {
+    return rgb.lab(cmyk.rgb(arg));
+  },
+
+  lch: function(arg) {
+    return rgb.lch(cmyk.rgb(arg));
+  },
+
+  luv: function(arg) {
+    return rgb.luv(cmyk.rgb(arg));
+  }
 };
+},{"./rgb":14}],2:[function(require,module,exports){
+var rgb = require('./rgb');
 
+var hsl = module.exports = {
+  name: 'hsl',
+  min: [0,0,0],
+  max: [360,100,100],
+  channel: ['hue', 'saturation', 'lightness'],
 
-var hsl = {
   rgb: function(hsl) {
@@ -235,12 +514,14 @@ var h = hsl[0] / 360,
     return rgb.luv(hsl.rgb(arg));
-  },
+  }
+};
+},{"./rgb":14}],3:[function(require,module,exports){
+var rgb = require('./rgb');
 
-
+var hsv = module.exports = {
+  name: 'hsv',
   min: [0,0,0],
   max: [360,100,100],
-  channel: ['hue', 'saturation', 'lightness']
-};
+  channel: ['hue', 'saturation', 'value'],
+  alias: ['hsb'],
 
-
-var hsv = {
   rgb: function(hsv) {
@@ -312,14 +593,13 @@ var h = hsv[0] / 60,
     return rgb.luv(hsv.rgb(arg));
-  },
+  }
+};
+},{"./rgb":14}],4:[function(require,module,exports){
+var rgb = require('./rgb');
 
-
-
+var hwb = module.exports = {
+  name: 'hwb',
   min: [0,0,0],
   max: [360,100,100],
-  channel: ['hue', 'saturation', 'value'],
-  alias: ['hsb']
-};
+  channel: ['hue', 'whiteness', 'blackness'],
 
-
-var hwb = {
   // http://dev.w3.org/csswg/css-color/#hwb-to-rgb
@@ -390,199 +670,16 @@ rgb: function(hwb) {
     return rgb.luv(hwb.rgb(arg));
-  },
-
-
-  min: [0,0,0],
-  max: [360,100,100],
-  channel: ['hue', 'whiteness', 'blackness']
+  }
 };
 
+},{"./rgb":14}],5:[function(require,module,exports){
+var rgb = require('./rgb');
+var xyz = require('./xyz');
 
-var cmyk = {
-  rgb: function(cmyk) {
-    var c = cmyk[0] / 100,
-        m = cmyk[1] / 100,
-        y = cmyk[2] / 100,
-        k = cmyk[3] / 100,
-        r, g, b;
+var lab = module.exports = {
+  name: 'lab',
+  min: [0,-100,-100],
+  max: [100,100,100],
+  channel: ['lightness', 'a', 'b'],
+  alias: ['cielab'],
 
-    r = 1 - Math.min(1, c * (1 - k) + k);
-    g = 1 - Math.min(1, m * (1 - k) + k);
-    b = 1 - Math.min(1, y * (1 - k) + k);
-    return [r * 255, g * 255, b * 255];
-  },
-
-  hsl: function(args) {
-    return rgb.hsl(cmyk.rgb(args));
-  },
-
-  hsv: function(args) {
-    return rgb.hsv(cmyk.rgb(args));
-  },
-
-  hwb: function(args) {
-    return rgb.hwb(cmyk.rgb(args));
-  },
-
-
-  xyz: function(arg) {
-    return rgb.xyz(cmyk.rgb(arg));
-  },
-
-  lab: function(arg) {
-    return rgb.lab(cmyk.rgb(arg));
-  },
-
-  lch: function(arg) {
-    return rgb.lch(cmyk.rgb(arg));
-  },
-
-  luv: function(arg) {
-    return rgb.luv(cmyk.rgb(arg));
-  },
-
-
-  min: [0,0,0,0],
-  max: [100,100,100,100],
-  channel: ['cyan', 'magenta', 'yellow', 'black']
-};
-
-
-var xyz = {
-  //TODO: fix this maths so to return 255,255,255 in rgb
-  rgb: function(xyz) {
-    var x = xyz[0] / 100,
-        y = xyz[1] / 100,
-        z = xyz[2] / 100,
-        r, g, b;
-
-    // assume sRGB
-    // http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html
-    r = (x * 3.2404542) + (y * -1.5371385) + (z * -0.4985314);
-    g = (x * -0.9692660) + (y * 1.8760108) + (z * 0.0415560);
-    b = (x * 0.0556434) + (y * -0.2040259) + (z * 1.0572252);
-
-    r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055)
-      : r = (r * 12.92);
-
-    g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055)
-      : g = (g * 12.92);
-
-    b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055)
-      : b = (b * 12.92);
-
-    r = Math.min(Math.max(0, r), 1);
-    g = Math.min(Math.max(0, g), 1);
-    b = Math.min(Math.max(0, b), 1);
-
-    return [r * 255, g * 255, b * 255];
-  },
-
-  hsl: function(arg) {
-    return rgb.hsl(xyz.rgb(arg));
-  },
-
-  hsv: function(arg) {
-    return rgb.hsv(xyz.rgb(arg));
-  },
-
-  hwb: function(arg) {
-    return rgb.hwb(xyz.rgb(arg));
-  },
-
-  cmyk: function(arg) {
-    return rgb.cmyk(xyz.rgb(arg));
-  },
-
-  lab: function(xyz) {
-    var x = xyz[0],
-        y = xyz[1],
-        z = xyz[2],
-        l, a, b;
-
-    x /= 95.047;
-    y /= 100;
-    z /= 108.883;
-
-    x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);
-    y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);
-    z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);
-
-    l = (116 * y) - 16;
-    a = 500 * (x - y);
-    b = 200 * (y - z);
-
-    return [l, a, b];
-  },
-
-  lch: function(args) {
-    return lab.lch(xyz.lab(args));
-  },
-
-  //http://www.brucelindbloom.com/index.html?Equations.html
-  luv: function(arg, i) {
-    var _u, _v, l, u, v, x, y, z, yn, un, vn;
-
-    //get constants
-    var e = 0.008856451679035631; //(6/29)^3
-    var k = 903.2962962962961; //(29/3)^3
-
-    //get illuminant
-    i = i || options.illuminant;
-
-    yn = xyz.illuminant[i][1];
-    un = luv.illuminant[i][1]/100;
-    vn = luv.illuminant[i][2]/100;
-
-    x = arg[0]/100, y = arg[1]/100, z = arg[2]/100;
-
-    _u = (4 * x) / (x + (15 * y) + (3 * z));
-    _v = (9 * y) / (x + (15 * y) + (3 * z));
-
-    var yr = y/yn;
-
-    l = yr <= e ? k * yr : 116 * Math.pow(yr, .333333333) - 16;
-
-    u = 13 * l * (_u - un);
-    v = 13 * l * (_v - vn);
-
-    return [l, u, v];
-  },
-
-  //TODO
-  cam: function(xyz){
-    var x = xyz[0], y = xyz[1], z = xyz[2];
-
-    //Mcat02
-    var m =[[0.7328, 0.4296, -0.1624], [-0.7036, 1.6975, 0.0061], [0.0030, 0.0136, 0.9834]];
-
-    //get lms
-    var L = x*m[0][0] + y*m[0][1]  + z*m[0][2];
-    var M =  x*m[1][0] + y*m[1][1] + z*m[1][2];
-    var S = x*m[2][0] + y*m[2][1] + z*m[2][2];
-
-    //calc lc, mc, sc
-    //FIXME: choose proper d
-    var d = 0.85;
-    var Lwr = 100, Mwr = 100, Swr = 100;
-    var Lc = (Lwr*D/Lw + 1 - D) * L;
-    var Mc = (Mwr*D/Mw + 1 - D) * M;
-    var Sc = (Swr*D/Sw + 1 - D) * S;
-  },
-
-  min: [0,0,0],
-  max: [96,100,109],
-  channel: ['lightness','u','v'],
-  alias: ['ciexyz'],
-
-  //Xn, Yn, Zn
-  illuminant: {
-    A:[109.85, 100, 35.58],
-    C: [98.07, 100, 118.23],
-    E: [100,100,100],
-    D65: [95.04, 100, 108.88]
-  }
-};
-
-
-var lab = {
   xyz: function(lab) {
@@ -646,14 +743,19 @@ var l = lab[0],
     return rgb.cmyk(lab.rgb(arg));
-  },
-
-
-  min: [0,-100,-100],
-  max: [100,100,100],
-  channel: ['lightness', 'a', 'b'],
-  alias: ['cielab']
+  }
 };
 
+//
+},{"./rgb":14,"./xyz":15}],6:[function(require,module,exports){
+var rgb = require('./rgb');
+var xyz = require('./xyz');
+var lab = require('./lab');
 
 //cylindrical lab
-var lch = {
+var lch = module.exports = {
+  name: 'lch',
+  min: [0,0,0],
+  max: [100,100,360],
+  channel: ['lightness', 'chroma', 'hue'],
+  alias: ['cielch', 'lchab'],
+
   lab: function(lch) {
@@ -698,22 +800,21 @@ var l = lch[0],
 
-  },
-
-  min: [0,0,0],
-  max: [100,100,360],
-  channel: ['lightness', 'chroma', 'hue'],
-  alias: ['cielch', 'lchab']
+  }
 };
 
 
+//Extend rgb space
+rgb.lch = function(args) {
+  return lab.lch(rgb.lab(args));
+};
 
-//TODO
-var luv = {
-  xyz: function(luv){
+xyz.lch = function(args) {
+  return lab.lch(xyz.lab(args));
+};
+},{"./lab":5,"./rgb":14,"./xyz":15}],7:[function(require,module,exports){
+var xyz = require('./xyz');
+var rgb = require('./rgb');
 
-  },
+var luv = module.exports = {
+  name: 'luv',
 
-  lchuv: function(luv){
-    var C = Math.sqrt();
-  },
-
   min: [0,-100,-100],
@@ -724,3 +825,2 @@ max: [100,100,100],
 
-
   //Yn, un,vn: http://www.optique-ingenieur.org/en/courses/OPI_ang_M07_C02/co/Contenu_08.html
@@ -732,425 +832,49 @@ illuminant: {
     D65: [100, 197, 468.34]
-  }
-};
+  },
 
+  xyz: function(luv){
 
-//TODO
-//cylindrical luv
-var lchuv = {
-  luv: function(){
-
   },
-  alias: ['cielchuv']
-};
 
-
-
-//TODO
-var xyy = {
-  alias: ['ciexyy']
-};
-
-
-
-
-//CIECAM02 http://en.wikipedia.org/wiki/CIECAM02
-var cam = {
-
-  alias: ['ciecam']
-};
-
-
-//@link http://www.boronine.com/husl/
-//TODO
-var husl = {
-
-};
-
-
-//TODO
-var huslp = {
-
-};
-
-
-
-/**
- * @module color-space
- */
-module.exports = {
-  options: options,
-  rgb: rgb,
-  hsl: hsl,
-  hsv: hsv,
-  hwb: hwb,
-  cmyk: cmyk,
-  xyz: xyz,
-  lab: lab,
-  lch: lch,
-  luv: luv,
-  // lchuv: lchuv
-};
-},{}],"assert":[function(require,module,exports){
-// http://wiki.commonjs.org/wiki/Unit_Testing/1.0
-//
-// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!
-//
-// Originally from narwhal.js (http://narwhaljs.org)
-// Copyright (c) 2009 Thomas Robinson <280north.com>
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the 'Software'), to
-// deal in the Software without restriction, including without limitation the
-// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-// sell copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-// when used in node, this will actually load the util module we depend on
-// versus loading the builtin util module as happens otherwise
-// this is a bug in node module loading as far as I am concerned
-var util = require('util/');
-
-var pSlice = Array.prototype.slice;
-var hasOwn = Object.prototype.hasOwnProperty;
-
-// 1. The assert module provides functions that throw
-// AssertionError's when particular conditions are not met. The
-// assert module must conform to the following interface.
-
-var assert = module.exports = ok;
-
-// 2. The AssertionError is defined in assert.
-// new assert.AssertionError({ message: message,
-//                             actual: actual,
-//                             expected: expected })
-
-assert.AssertionError = function AssertionError(options) {
-  this.name = 'AssertionError';
-  this.actual = options.actual;
-  this.expected = options.expected;
-  this.operator = options.operator;
-  if (options.message) {
-    this.message = options.message;
-    this.generatedMessage = false;
-  } else {
-    this.message = getMessage(this);
-    this.generatedMessage = true;
+  lchuv: function(luv){
+    var C = Math.sqrt();
   }
-  var stackStartFunction = options.stackStartFunction || fail;
-
-  if (Error.captureStackTrace) {
-    Error.captureStackTrace(this, stackStartFunction);
-  }
-  else {
-    // non v8 browsers so we can have a stacktrace
-    var err = new Error();
-    if (err.stack) {
-      var out = err.stack;
-
-      // try to strip useless frames
-      var fn_name = stackStartFunction.name;
-      var idx = out.indexOf('\n' + fn_name);
-      if (idx >= 0) {
-        // once we have located the function frame
-        // we need to strip out everything before it (and its line)
-        var next_line = out.indexOf('\n', idx + 1);
-        out = out.substring(next_line + 1);
-      }
-
-      this.stack = out;
-    }
-  }
 };
 
-// assert.AssertionError instanceof Error
-util.inherits(assert.AssertionError, Error);
 
-function replacer(key, value) {
-  if (util.isUndefined(value)) {
-    return '' + value;
-  }
-  if (util.isNumber(value) && (isNaN(value) || !isFinite(value))) {
-    return value.toString();
-  }
-  if (util.isFunction(value) || util.isRegExp(value)) {
-    return value.toString();
-  }
-  return value;
-}
+//http://www.brucelindbloom.com/index.html?Equations.html
+xyz.luv = function(arg, i) {
+  var _u, _v, l, u, v, x, y, z, yn, un, vn;
 
-function truncate(s, n) {
-  if (util.isString(s)) {
-    return s.length < n ? s : s.slice(0, n);
-  } else {
-    return s;
-  }
-}
+  //get constants
+  var e = 0.008856451679035631; //(6/29)^3
+  var k = 903.2962962962961; //(29/3)^3
 
-function getMessage(self) {
-  return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' +
-         self.operator + ' ' +
-         truncate(JSON.stringify(self.expected, replacer), 128);
-}
+  //get illuminant
+  i = i || 'D65';
 
-// At present only the three keys mentioned above are used and
-// understood by the spec. Implementations or sub modules can pass
-// other keys to the AssertionError's constructor - they will be
-// ignored.
+  yn = xyz.illuminant[i][1];
+  un = luv.illuminant[i][1]/100;
+  vn = luv.illuminant[i][2]/100;
 
-// 3. All of the following functions must throw an AssertionError
-// when a corresponding condition is not met, with a message that
-// may be undefined if not provided.  All assertion methods provide
-// both the actual and expected values to the assertion error for
-// display purposes.
+  x = arg[0]/100, y = arg[1]/100, z = arg[2]/100;
 
-function fail(actual, expected, message, operator, stackStartFunction) {
-  throw new assert.AssertionError({
-    message: message,
-    actual: actual,
-    expected: expected,
-    operator: operator,
-    stackStartFunction: stackStartFunction
-  });
-}
+  _u = (4 * x) / (x + (15 * y) + (3 * z));
+  _v = (9 * y) / (x + (15 * y) + (3 * z));
 
-// EXTENSION! allows for well behaved errors defined elsewhere.
-assert.fail = fail;
+  var yr = y/yn;
 
-// 4. Pure assertion tests whether a value is truthy, as determined
-// by !!guard.
-// assert.ok(guard, message_opt);
-// This statement is equivalent to assert.equal(true, !!guard,
-// message_opt);. To test strictly for the value true, use
-// assert.strictEqual(true, guard, message_opt);.
+  l = yr <= e ? k * yr : 116 * Math.pow(yr, .333333333) - 16;
 
-function ok(value, message) {
-  if (!value) fail(value, true, message, '==', assert.ok);
-}
-assert.ok = ok;
+  u = 13 * l * (_u - un);
+  v = 13 * l * (_v - vn);
 
-// 5. The equality assertion tests shallow, coercive equality with
-// ==.
-// assert.equal(actual, expected, message_opt);
-
-assert.equal = function equal(actual, expected, message) {
-  if (actual != expected) fail(actual, expected, message, '==', assert.equal);
+  return [l, u, v];
 };
 
-// 6. The non-equality assertion tests for whether two objects are not equal
-// with != assert.notEqual(actual, expected, message_opt);
 
-assert.notEqual = function notEqual(actual, expected, message) {
-  if (actual == expected) {
-    fail(actual, expected, message, '!=', assert.notEqual);
-  }
+rgb.luv = function(args){
+  return xyz.luv(rgb.xyz(args));
 };
-
-// 7. The equivalence assertion tests a deep equality relation.
-// assert.deepEqual(actual, expected, message_opt);
-
-assert.deepEqual = function deepEqual(actual, expected, message) {
-  if (!_deepEqual(actual, expected)) {
-    fail(actual, expected, message, 'deepEqual', assert.deepEqual);
-  }
-};
-
-function _deepEqual(actual, expected) {
-  // 7.1. All identical values are equivalent, as determined by ===.
-  if (actual === expected) {
-    return true;
-
-  } else if (util.isBuffer(actual) && util.isBuffer(expected)) {
-    if (actual.length != expected.length) return false;
-
-    for (var i = 0; i < actual.length; i++) {
-      if (actual[i] !== expected[i]) return false;
-    }
-
-    return true;
-
-  // 7.2. If the expected value is a Date object, the actual value is
-  // equivalent if it is also a Date object that refers to the same time.
-  } else if (util.isDate(actual) && util.isDate(expected)) {
-    return actual.getTime() === expected.getTime();
-
-  // 7.3 If the expected value is a RegExp object, the actual value is
-  // equivalent if it is also a RegExp object with the same source and
-  // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).
-  } else if (util.isRegExp(actual) && util.isRegExp(expected)) {
-    return actual.source === expected.source &&
-           actual.global === expected.global &&
-           actual.multiline === expected.multiline &&
-           actual.lastIndex === expected.lastIndex &&
-           actual.ignoreCase === expected.ignoreCase;
-
-  // 7.4. Other pairs that do not both pass typeof value == 'object',
-  // equivalence is determined by ==.
-  } else if (!util.isObject(actual) && !util.isObject(expected)) {
-    return actual == expected;
-
-  // 7.5 For all other Object pairs, including Array objects, equivalence is
-  // determined by having the same number of owned properties (as verified
-  // with Object.prototype.hasOwnProperty.call), the same set of keys
-  // (although not necessarily the same order), equivalent values for every
-  // corresponding key, and an identical 'prototype' property. Note: this
-  // accounts for both named and indexed properties on Arrays.
-  } else {
-    return objEquiv(actual, expected);
-  }
-}
-
-function isArguments(object) {
-  return Object.prototype.toString.call(object) == '[object Arguments]';
-}
-
-function objEquiv(a, b) {
-  if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b))
-    return false;
-  // an identical 'prototype' property.
-  if (a.prototype !== b.prototype) return false;
-  //~~~I've managed to break Object.keys through screwy arguments passing.
-  //   Converting to array solves the problem.
-  if (isArguments(a)) {
-    if (!isArguments(b)) {
-      return false;
-    }
-    a = pSlice.call(a);
-    b = pSlice.call(b);
-    return _deepEqual(a, b);
-  }
-  try {
-    var ka = objectKeys(a),
-        kb = objectKeys(b),
-        key, i;
-  } catch (e) {//happens when one is a string literal and the other isn't
-    return false;
-  }
-  // having the same number of owned properties (keys incorporates
-  // hasOwnProperty)
-  if (ka.length != kb.length)
-    return false;
-  //the same set of keys (although not necessarily the same order),
-  ka.sort();
-  kb.sort();
-  //~~~cheap key test
-  for (i = ka.length - 1; i >= 0; i--) {
-    if (ka[i] != kb[i])
-      return false;
-  }
-  //equivalent values for every corresponding key, and
-  //~~~possibly expensive deep test
-  for (i = ka.length - 1; i >= 0; i--) {
-    key = ka[i];
-    if (!_deepEqual(a[key], b[key])) return false;
-  }
-  return true;
-}
-
-// 8. The non-equivalence assertion tests for any deep inequality.
-// assert.notDeepEqual(actual, expected, message_opt);
-
-assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
-  if (_deepEqual(actual, expected)) {
-    fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
-  }
-};
-
-// 9. The strict equality assertion tests strict equality, as determined by ===.
-// assert.strictEqual(actual, expected, message_opt);
-
-assert.strictEqual = function strictEqual(actual, expected, message) {
-  if (actual !== expected) {
-    fail(actual, expected, message, '===', assert.strictEqual);
-  }
-};
-
-// 10. The strict non-equality assertion tests for strict inequality, as
-// determined by !==.  assert.notStrictEqual(actual, expected, message_opt);
-
-assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
-  if (actual === expected) {
-    fail(actual, expected, message, '!==', assert.notStrictEqual);
-  }
-};
-
-function expectedException(actual, expected) {
-  if (!actual || !expected) {
-    return false;
-  }
-
-  if (Object.prototype.toString.call(expected) == '[object RegExp]') {
-    return expected.test(actual);
-  } else if (actual instanceof expected) {
-    return true;
-  } else if (expected.call({}, actual) === true) {
-    return true;
-  }
-
-  return false;
-}
-
-function _throws(shouldThrow, block, expected, message) {
-  var actual;
-
-  if (util.isString(expected)) {
-    message = expected;
-    expected = null;
-  }
-
-  try {
-    block();
-  } catch (e) {
-    actual = e;
-  }
-
-  message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +
-            (message ? ' ' + message : '.');
-
-  if (shouldThrow && !actual) {
-    fail(actual, expected, 'Missing expected exception' + message);
-  }
-
-  if (!shouldThrow && expectedException(actual, expected)) {
-    fail(actual, expected, 'Got unwanted exception' + message);
-  }
-
-  if ((shouldThrow && actual && expected &&
-      !expectedException(actual, expected)) || (!shouldThrow && actual)) {
-    throw actual;
-  }
-}
-
-// 11. Expected to throw an error:
-// assert.throws(block, Error_opt, message_opt);
-
-assert.throws = function(block, /*optional*/error, /*optional*/message) {
-  _throws.apply(this, [true].concat(pSlice.call(arguments)));
-};
-
-// EXTENSION! This is annoying to write outside this module.
-assert.doesNotThrow = function(block, /*optional*/message) {
-  _throws.apply(this, [false].concat(pSlice.call(arguments)));
-};
-
-assert.ifError = function(err) { if (err) {throw err;}};
-
-var objectKeys = Object.keys || function (obj) {
-  var keys = [];
-  for (var key in obj) {
-    if (hasOwn.call(obj, key)) keys.push(key);
-  }
-  return keys;
-};
-
-},{"util/":4}],1:[function(require,module,exports){
+},{"./rgb":14,"./xyz":15}],8:[function(require,module,exports){
 if (typeof Object.create === 'function') {
@@ -1180,3 +904,3 @@ // implementation from standard node.js 'util' module
 
-},{}],2:[function(require,module,exports){
+},{}],9:[function(require,module,exports){
 // shim for using process in browser
@@ -1269,3 +993,3 @@
 
-},{}],3:[function(require,module,exports){
+},{}],10:[function(require,module,exports){
 module.exports = function isBuffer(arg) {
@@ -1277,3 +1001,3 @@ return arg && typeof arg === 'object'
 }
-},{}],4:[function(require,module,exports){
+},{}],11:[function(require,module,exports){
 (function (process,global){
@@ -1868,3 +1592,3 @@ // Copyright Joyent, Inc. and other Node contributors.
 }).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./support/isBuffer":3,"_process":2,"inherits":1}],5:[function(require,module,exports){
+},{"./support/isBuffer":10,"_process":9,"inherits":8}],12:[function(require,module,exports){
 'use strict';
@@ -1899,3 +1623,3 @@
 }
-},{}],6:[function(require,module,exports){
+},{}],13:[function(require,module,exports){
 var slice = [].slice;
@@ -1910,3 +1634,247 @@
 };
-},{}],"mumath":[function(require,module,exports){
+},{}],14:[function(require,module,exports){
+var rgb = module.exports = {
+  name: 'rgb',
+  min: [0,0,0],
+  max: [255,255,255],
+  channel: ['red', 'green', 'blue'],
+
+  hsl: function(rgb) {
+    var r = rgb[0]/255,
+        g = rgb[1]/255,
+        b = rgb[2]/255,
+        min = Math.min(r, g, b),
+        max = Math.max(r, g, b),
+        delta = max - min,
+        h, s, l;
+
+    if (max == min)
+      h = 0;
+    else if (r == max)
+      h = (g - b) / delta;
+    else if (g == max)
+      h = 2 + (b - r) / delta;
+    else if (b == max)
+      h = 4 + (r - g)/ delta;
+
+    h = Math.min(h * 60, 360);
+
+    if (h < 0)
+      h += 360;
+
+    l = (min + max) / 2;
+
+    if (max == min)
+      s = 0;
+    else if (l <= 0.5)
+      s = delta / (max + min);
+    else
+      s = delta / (2 - max - min);
+
+    return [h, s * 100, l * 100];
+  },
+
+  hsv: function(rgb) {
+    var r = rgb[0],
+        g = rgb[1],
+        b = rgb[2],
+        min = Math.min(r, g, b),
+        max = Math.max(r, g, b),
+        delta = max - min,
+        h, s, v;
+
+    if (max == 0)
+      s = 0;
+    else
+      s = (delta/max * 1000)/10;
+
+    if (max == min)
+      h = 0;
+    else if (r == max)
+      h = (g - b) / delta;
+    else if (g == max)
+      h = 2 + (b - r) / delta;
+    else if (b == max)
+      h = 4 + (r - g) / delta;
+
+    h = Math.min(h * 60, 360);
+
+    if (h < 0)
+      h += 360;
+
+    v = ((max / 255) * 1000) / 10;
+
+    return [h, s, v];
+  },
+
+  hwb: function(val) {
+    var r = val[0],
+        g = val[1],
+        b = val[2],
+        h = rgb.hsl(val)[0],
+        w = 1/255 * Math.min(r, Math.min(g, b)),
+        b = 1 - 1/255 * Math.max(r, Math.max(g, b));
+
+    return [h, w * 100, b * 100];
+  },
+
+  cmyk: function(rgb) {
+    var r = rgb[0] / 255,
+        g = rgb[1] / 255,
+        b = rgb[2] / 255,
+        c, m, y, k;
+
+    k = Math.min(1 - r, 1 - g, 1 - b);
+    c = (1 - r - k) / (1 - k) || 0;
+    m = (1 - g - k) / (1 - k) || 0;
+    y = (1 - b - k) / (1 - k) || 0;
+    return [c * 100, m * 100, y * 100, k * 100];
+  },
+
+  xyz: function(rgb) {
+    var r = rgb[0] / 255,
+        g = rgb[1] / 255,
+        b = rgb[2] / 255;
+
+    // assume sRGB
+    r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92);
+    g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92);
+    b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92);
+
+    var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);
+    var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);
+    var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);
+
+    return [x * 100, y *100, z * 100];
+  },
+
+  lab: function(args) {
+    var xyz = rgb.xyz(args),
+          x = xyz[0],
+          y = xyz[1],
+          z = xyz[2],
+          l, a, b;
+
+    x /= 95.047;
+    y /= 100;
+    z /= 108.883;
+
+    x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);
+    y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);
+    z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);
+
+    l = (116 * y) - 16;
+    a = 500 * (x - y);
+    b = 200 * (y - z);
+
+    return [l, a, b];
+  }
+};
+},{}],15:[function(require,module,exports){
+var rgb = require('./rgb');
+
+var xyz = module.exports = {
+  name: 'xyz',
+  min: [0,0,0],
+  max: [96,100,109],
+  channel: ['lightness','u','v'],
+  alias: ['ciexyz'],
+
+  //Xn, Yn, Zn
+  illuminant: {
+    A:[109.85, 100, 35.58],
+    C: [98.07, 100, 118.23],
+    E: [100,100,100],
+    D65: [95.04, 100, 108.88]
+  },
+
+
+  //TODO: fix this maths so to return 255,255,255 in rgb
+  rgb: function(xyz) {
+    var x = xyz[0] / 100,
+        y = xyz[1] / 100,
+        z = xyz[2] / 100,
+        r, g, b;
+
+    // assume sRGB
+    // http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html
+    r = (x * 3.2404542) + (y * -1.5371385) + (z * -0.4985314);
+    g = (x * -0.9692660) + (y * 1.8760108) + (z * 0.0415560);
+    b = (x * 0.0556434) + (y * -0.2040259) + (z * 1.0572252);
+
+    r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055)
+      : r = (r * 12.92);
+
+    g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055)
+      : g = (g * 12.92);
+
+    b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055)
+      : b = (b * 12.92);
+
+    r = Math.min(Math.max(0, r), 1);
+    g = Math.min(Math.max(0, g), 1);
+    b = Math.min(Math.max(0, b), 1);
+
+    return [r * 255, g * 255, b * 255];
+  },
+
+  hsl: function(arg) {
+    return rgb.hsl(xyz.rgb(arg));
+  },
+
+  hsv: function(arg) {
+    return rgb.hsv(xyz.rgb(arg));
+  },
+
+  hwb: function(arg) {
+    return rgb.hwb(xyz.rgb(arg));
+  },
+
+  cmyk: function(arg) {
+    return rgb.cmyk(xyz.rgb(arg));
+  },
+
+  lab: function(xyz) {
+    var x = xyz[0],
+        y = xyz[1],
+        z = xyz[2],
+        l, a, b;
+
+    x /= 95.047;
+    y /= 100;
+    z /= 108.883;
+
+    x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);
+    y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);
+    z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);
+
+    l = (116 * y) - 16;
+    a = 500 * (x - y);
+    b = 200 * (y - z);
+
+    return [l, a, b];
+  },
+
+  //TODO
+  cam: function(xyz){
+    var x = xyz[0], y = xyz[1], z = xyz[2];
+
+    //Mcat02
+    var m =[[0.7328, 0.4296, -0.1624], [-0.7036, 1.6975, 0.0061], [0.0030, 0.0136, 0.9834]];
+
+    //get lms
+    var L = x*m[0][0] + y*m[0][1]  + z*m[0][2];
+    var M =  x*m[1][0] + y*m[1][1] + z*m[1][2];
+    var S = x*m[2][0] + y*m[2][1] + z*m[2][2];
+
+    //calc lc, mc, sc
+    //FIXME: choose proper d
+    var d = 0.85;
+    var Lwr = 100, Mwr = 100, Swr = 100;
+    var Lc = (Lwr*D/Lw + 1 - D) * L;
+    var Mc = (Mwr*D/Mw + 1 - D) * M;
+    var Sc = (Swr*D/Sw + 1 - D) * S;
+  }
+};
+},{"./rgb":14}],"mumath":[function(require,module,exports){
 /**
@@ -2276,2 +2244,2 @@ * Simple math utils.
 exports.prev = pseudos.prev;
-},{"matches-selector":5,"tiny-element":6}]},{},[]);
+},{"matches-selector":12,"tiny-element":13}]},{},[]);

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