color-system

Convert and compute in color systems (RGB, HSV, HSL, LAB, XYZ, LCH)

usage

in node.js

npm install color-system

in browsers

wget https://raw.github.com/tmcw/color-system/master/colorsystem.js

api

hsv(rgb) -> hsv
hsv.invert(hsv) -> rgb

hsl(rgb) -> hsl
hsl.invert(hsl) -> rgb

hue(rgb) -> hue
saturation(rgb) -> saturation
lightness(rgb) -> lightness

example

var colorsys = require('color-system');
 
colorsys.hsl([0, 0, 0]); // [r, g, b] => [h, s, l]
colorsys.hsv([0, 0, 0]); // [r, g, b] => [h, s, v]

development

build docs & standalone for browsers:

npm run-script make

see also

'full solutions'

• Style.js
• color-convert (js)
• chroma.js (coffee)
• chromatist (coffee)
• ColorMine

'modules'

• deuteranopia
• wcag-contrast
• relative-luminance
• css-color-parser-js

why

'Why write yet another JavaScript color library?'

• This is written in vanilla, idiomatic JavaScript
• It aims to be literate like simple-statistics and to remove and explain the 'magic numbers' that rule color math
• This aims to do just color systems - other concerns in other modules