rgb2hex

What is rgb2hex?

The rgb2hex npm package is a utility that allows you to convert RGB color values to hexadecimal color codes. This can be useful in various scenarios such as web development, graphic design, and any other field where color manipulation is required.

What are rgb2hex's main functionalities?

Convert RGB to Hex

This feature allows you to convert an RGB color string to its hexadecimal representation. In this example, the RGB color 'rgb(255, 0, 0)' is converted to the hex color '#ff0000'.

const rgb2hex = require('rgb2hex');
const hexColor = rgb2hex('rgb(255, 0, 0)');
console.log(hexColor); // { hex: '#ff0000', alpha: 1 }

Convert RGBA to Hex

This feature allows you to convert an RGBA color string to its hexadecimal representation, including the alpha value. In this example, the RGBA color 'rgba(255, 0, 0, 0.5)' is converted to the hex color '#ff0000' with an alpha value of 0.5.

const rgb2hex = require('rgb2hex');
const hexColor = rgb2hex('rgba(255, 0, 0, 0.5)');
console.log(hexColor); // { hex: '#ff0000', alpha: 0.5 }

Other packages similar to rgb2hex

color-convert

The color-convert package provides a wide range of color conversions, including RGB to Hex. It supports many other color models and conversions, making it more versatile than rgb2hex.

color

The color package is a comprehensive library for color manipulation and conversion. It supports RGB to Hex conversion along with many other color formats and operations, offering more functionality compared to rgb2hex.

tinycolor2

The tinycolor2 package is a small, fast library for color manipulation and conversion. It supports RGB to Hex conversion and offers additional features like color mixing, lightening, darkening, and more, making it a more feature-rich alternative to rgb2hex.

README

rgb2hex

Parse any rgb or rgba string into a hex color. Lightweight library, no dependencies!

Installation

via NPM:

$ npm install rgb2hex

via Bower

$ bower install rgb2hex

Usage

Include rgb2hex.js in your web app, by loading it as usual:

<script src="rgb2hex.js"></script>

Using NodeJS

var rgb2hex = require('rgb2hex');

console.log(rgb2hex('rgb(210,43,2525)'));
/**
 * returns:
 * {
 *    hex: '#d22bff',
 *    alpha: 1
 * }
 */

console.log(rgb2hex('rgba(12,173,22,.67)'));
/**
 * returns:
 * {
 *    hex: '#d22bff',
 *    alpha: 0.67
 * }
 */

Using RequireJS

rgb2hex can be also loaded with AMD:

require(['rgb2hex'], function (rgb2hex) {
    // ...
});

Contributing

Please fork, add specs, and send pull requests! In lieu of a formal styleguide, take care to maintain the existing coding style.

Release History

• 2013-04-22   v0.1.0   first working version
• 2018-05-24   v0.1.1   updated dependencies switch test framework to jest
• 2018-06-13   v0.1.2   Fixes uncontrolled resource consumption vulnerability referenced in #1. (ref1, ref2)
• 2018-06-13   v0.1.3   allow semicolon at the end of an rgb string
• 2018-06-19   v0.1.4   ignore text before or after the color
• 2018-07-04   v0.1.5   Fix stripping of color and regexp
• 2018-07-05   v0.1.6   Prevent Regular Expression Denial of Service attacks
• 2018-07-05   v0.1.7   Minor coverage fix
• 2018-07-05   v0.1.8   Better handle alpha values
• 2018-07-18   v0.1.9   Support transparent colors
• 2019-11-11   v0.1.10  Support multiple decimal places (#20)
• 2020-11-24   v0.2.1   TypeScript support
• 2020-11-25   v0.2.5   Improved TypeScript support