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

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

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.

Extensive collection of color spaces and color models

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

Scientific color conversion library written in C.

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.

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

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

A Python package for converting colors between different color spaces.

visualizing relative luminance contrast within sRGB colorspace

Scala.js library to manipulate and analyze colors and color spaces.

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

Oklch color picker web application

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

Code snippets to compute colorspace conversion matrices

Convert tmTheme to sRGB color space

C++17 image processing library with typesafe color space vectors and arithmetics.

Flexible sliceable iterable editable image (2D data container), bgr core::vector, bgra8, sRGB

PHP library for generic color handling.