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@csstools/postcss-oklab-function
Advanced tools
Readme
PostCSS OKLab Function lets you use oklab
and oklch
color functions in
CSS, following the CSS Color specification.
.test-oklab {
color: oklab(40% 0.001236 0.0039);
}
.test-oklch {
color: oklch(40% 0.268735435 34.568626);
}
/* becomes */
.test-oklab {
color: rgb(73, 71, 69);
color: color(display-p3 0.28515 0.27983 0.27246);
}
.test-oklch {
color: rgb(131, 28, 0);
color: color(display-p3 0.49163 0.11178 0.00000);
}
Add PostCSS OKLab Function to your project:
npm install postcss @csstools/postcss-oklab-function --save-dev
Use it as a PostCSS plugin:
const postcss = require('postcss');
const postcssOKLabFunction = require('@csstools/postcss-oklab-function');
postcss([
postcssOKLabFunction(/* pluginOptions */)
]).process(YOUR_CSS /*, processOptions */);
PostCSS OKLab Function runs in all Node environments, with special instructions for:
Node | PostCSS CLI | Webpack | Gulp | Grunt |
---|
The preserve
option determines whether the original notation
is preserved. By default, it is not preserved.
postcssOKLabFunction({ preserve: true })
.test-oklab {
color: oklab(40% 0.001236 0.0039);
}
.test-oklch {
color: oklch(40% 0.268735435 34.568626);
}
/* becomes */
.test-oklab {
color: rgb(73, 71, 69);
color: color(display-p3 0.28515 0.27983 0.27246);
color: oklab(40% 0.001236 0.0039);
}
.test-oklch {
color: rgb(131, 28, 0);
color: color(display-p3 0.49163 0.11178 0.00000);
color: oklch(40% 0.268735435 34.568626);
}
The enableProgressiveCustomProperties
option determines whether the original notation
is wrapped with @supports
when used in Custom Properties. By default, it is enabled.
[!NOTE] We only recommend disabling this when you set
preserve
tofalse
or if you bring your own fix for Custom Properties.
See what the plugin does in its README.
postcssOKLabFunction({ enableProgressiveCustomProperties: false })
:root {
--firebrick: oklab(40% 0.234 0.39);
}
/* becomes */
:root {
--firebrick: rgb(133, 0, 67); /* will never be used, not even in older browser */
--firebrick: color(display-p3 0.49890 0.00000 0.25954); /* will never be used, not even in older browser */
--firebrick: oklab(40% 0.234 0.39);
}
The subFeatures.displayP3
option determines if color(display-p3 ...)
is used as a fallback.
By default, it is enabled.
display-p3
can display wider gamut colors than rgb
on some devices.
postcssOKLabFunction({
subFeatures: {
displayP3: false
}
})
.test-oklab {
color: oklab(40% 0.001236 0.0039);
}
.test-oklch {
color: oklch(40% 0.268735435 34.568626);
}
/* becomes */
.test-oklab {
color: rgb(73, 71, 69);
}
.test-oklch {
color: rgb(131, 28, 0);
}
This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/tree/main/css-color-4. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang).
FAQs
Use oklab() and oklch() color functions in CSS
The npm package @csstools/postcss-oklab-function receives a total of 3,168,054 weekly downloads. As such, @csstools/postcss-oklab-function popularity was classified as popular.
We found that @csstools/postcss-oklab-function demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 3 open source maintainers collaborating on the project.
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