# DaltonLens

Canonical URL: https://colorcurio.us/library/daltonlens-desktop
Source type: Library entry
Resource URL: https://github.com/DaltonLens/DaltonLens
Added: 2026-09-28

## Summary

A desktop utility for colorblind users: click a color on screen and highlight every region that shares it.

It includes simulation filters too, but its real value is helping people with CVD read charts that weren’t designed for them.

- Resource: [DaltonLens](https://github.com/DaltonLens/DaltonLens)
- By: Nicolas Burrus
- Kind: accessibility (tool)
- Level: beginner
- Tags: accessibility, perception, designer, developer, desktop

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