Color conversion & manipulation library by the editors of the CSS Color specifications

🌈 A simple set of utility functions for colours.

A comprehensive color library for JavaScript.

Advanced color manipulation for iOS.

A tool to create accessible color systems

CIE color difference formulas in JavaScript

Python toolbox for lighting and color science

nQuantCpp includes top 6 color quantization algorithms for visual c++ producing high quality optimized images.

A header-only C++11 library for colors; color space converters for RGB, HSL, XYZ, Lab, etc. and perceptual color difference calculators such as CIEDE2000

Extensive collection of color spaces and color models

A custom color wheel extension for Adobe Photoshop

RGB to XYZ Converter + RGB/XYZ to CIELAB Converter + Delta-E Calculator - Implemented in C++

A command line tool that accepts hex or RGB color values and returns the color's name

𝜟𝜱✴︎ or Delta Phi Star is a variant method of determining lightness contrast, and a sibling of APCA and SACAM. It is a simplified version using easily invertible standardized maths, however it lacks some useful properties such as polarity sensitivity. In fact, it is intended for applications where a "general" simplifed perceptual contrast is des…

Colors and color spaces made simple, for Rustaceans.

Fast pairwise nearest neighbor based algorithm with C# console

Source code for the paper "Reliable Deep Learning Plant Leaf Disease Classification Based on Light-Chroma Separated Branches".

Reproducing images with mosaics of circle-packed buttons.

A colorscheme creation micro-framework for Neovim

🎨 Color utilities for Node.js. Conversion, modification, and color schemes of: RGB (at any bit depth), HSV, HSL, HSI, HSP, CYMK, YIQ, XYZ, xyY, L*a*b*, L*u*v*, Y'PbPr, Y'CbCr, and more.