daltonization

The complete color library for Python - 11 color spaces, palettes, WCAG/APCA, color blindness, and more.

Open, published color-vision method (Machado 2009 + CIEDE2000, DOI 10.5281/zenodo.21310578) — 17 on-device browser vision tests, plus 30 packages on PyPI, npm and MCP so you can run the colorimetry yourself.

A Python and PyQt5 toolkit for color and style transfer between images, with color-vision-deficiency simulation and Daltonization for protanopia, deuteranopia, and tritanopia.

Accessibility colour filters for Omarchy: colour-vision correction, invert, grayscale and contrast, applied compositor-wide via Hyprland screen shaders.

ChromaShift is a smart color accessibility platform for Color Vision Deficiency. It uses AI to daltonize photos, videos, and PDFs without distorting skin tones.

Color Vision Helper (色觉助手): a phone web app for color-blind and color-weak people. Aim the reticle to name any color and outline its region, or turn on real-time correction to tell red from green. Includes a 2-minute color-vision test. Installable PWA, runs fully on-device.