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 v0.2.2 Improved TypeScript support