Parse a CSS color string.
- <color value>
- Hexadecimal RGB value: #RGB #RRGGBB
- #RGBA #RRGGBBAA (4 and 8-digit hexadecimal RGBA notation)
- RGB/A color module level 3 and 4 (number, percentage)
- HSL/A color module level 3 and 4 (number, deg, rad, turn)
- <color keyword>
- One of the pre-defined color keywords.
- transparent
- Shorthand for transparent black, rgba(0,0,0,0).
- currentColor
- inherit
NPM
npm i parse-css-colorOr as a <script> tag from a CDN as parseCssColor:
Unpkg CDN
<script src="https://unpkg.com/parse-css-color"></script>jsDelivr CDN
<script src="https://cdn.jsdelivr.net/npm/parse-css-color"></script>import parse from 'parse-css-color'
// HEX/A
parse('#00f')
//> { type: 'rgb', values: [0, 0, 255], alpha: 1 }
parse('#00f8')
//> { type: 'rgb', values: [0, 0, 255], alpha: 0.5333333333333333 }
parse('#0000FF80')
//> { type: 'rgb', values: [0, 0, 255], alpha: 0.5019607843137255 }
parse('#00g')
//> null
// HSL/A
parse('hsl(270deg 60% 70% / 25%)')
//> { type: 'hsl', values: [270, 60, 70], alpha: 0.25 }
parse('hsl(4.71239rad 260% -70% / 0.5)') // clipped to
//> { type: 'hsl', values: [270, 100, 0], alpha: 0.5 }
parse('hsla(.75turn, 60%, 70%, 50%)')
//> { type: 'hsl', values: [270, 60, 70], alpha: 0.5 }
parse('hsla(100deg 0 0 / 0)') // error: missing percetanges
//> null
// RGB/A
parse('rgb(255 0 0 / 0.5)')
//> { type: 'rgb', values: [255, 0, 0], alpha: 0.5 }
parse('rgb(500 -100 0 / 200%)') // clipped to
//> { type: 'rgb', values: [255, 0, 0], alpha: 1 }
parse('rgba(255, 0, 255, 20%)')
//> { type: 'rgb', values: [255, 0, 255], alpha: 0.2 }
parse('rgba(100% 255 100% / 0)') // error: mixed percetange with integer
//> nullSee tests for more cases.
npm install # install dependencies
npm test # run the tests (append `-- -w`) to watch
npm run dev # watch for changes and rebuild- mix-css-color - Mix two CSS colors together in variable proportion. Opacity is included in the calculations.
- values.js - Get the tints and shades of a CSS color.
MIT © Noel Delgado
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