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

APCA (Accessible Perceptual Contrast Algorithm) is a new method for predicting contrast for use in emerging web standards (WCAG 3) for determining readability contrast. APCA is derived form the SAPC (S-LUV Advanced Predictive Color) which is an accessibility-oriented color appearance model designed for self-illuminated displays.

🎨 Open source .NET library for working with color spaces.

Extensive collection of color spaces and color models

A series of test images for color profiles and wide gamut support.

A pure OCaml library for manipulating colors in different color spaces.

Perform image color correction based on ML using the color chart (XRite ColorChecker Classic) in an image.

A lightweight but versatile mini-lib to parse color strings, objects, or numbers, returning a simple rgba array, and related string utilities. This was developed as part of the basic APCA distro.

WordPress plugin to convert Adobe RGB / CMYK images to sRGB automatically. Requires ImageMagick built with lcms delegate.

Convert tmTheme to sRGB color space

visualizing relative luminance contrast within sRGB colorspace

A simplified image color correction app in MATLAB, No need for deep knowledge of MATLAB programming to run the App

sRGB parsing and processing RGB data in and out of CIE XYZ, xyY, LAB and LUV, and more!

See Stars is a Myndex MicroColor Library. This has standard functions for the standard (piecewise) IEC conversion of sRGB to Y, and the CIE standard Y to L* (Lstar) and back again. The math & constants here reference those of CSS 4 for compatibility.

Sophisticated representation of color in Scala

Color space conversion for Unity hlsl

A Python package for converting colors between different color spaces.

A handy tool for quick grabbing and converting colour tints to hex values. Supports sRGB sRGB' and sRGB8.

Scientific color conversion library written in C.

Simulate a blackbody emitter