JSwiki

• color

• color.js - Color management utilities, MIT

• color-js

• colour.js

• colorjs

• RGBColor - RGB color parser (converts CSS color names to something useful)

• color2color

• repl-rainbow - Convert between RGB-HSL-Ansi256, creates functions to auto escape terminal text. Targeted at trivializing incredible rainbows in the console.

• jQuery xColor - plugin for jQuery

• one-color

• jcolour

• rainbow-dash - Very fast color interpolation in Javascript

• chroma.js - color library which supports all the obvious color spaces plus CIElab and HCL (why you may want to use these, see https://vis4.net/blog/posts/avoid-equidistant-hsv-colors/ and http://en.wikipedia.org/wiki/Lab_color_space )

Other

• Color conversion math and formulas