Realistic Color Mixing Library Using Kubelka-Munk Theory – Spectral.js
Mix colors like real paint with Spectral.js. Physics-based color manipulation library using spectral reflectance and OKLab.
JavaScript & CSS Color Palette
Extract Prominent Colors From Images And Generate Android Palettes – palette-js
palette-js is a canvas based JavaScript library that extracts prominent colors from a BMP image and generates a palette just like the Android Palette API.
A Nicer Color Palette For The Web – Colors.css
colors.css is a simple and nice color palette for modern web design. Provided as CSS, LESS and SASS versions.