# WCAG Understanding: Use of Color

Canonical URL: https://colorcurio.us/library/wcag-use-of-color
Source type: Library entry
Resource URL: https://www.w3.org/WAI/WCAG22/Understanding/use-of-color.html
Added: 2026-09-22

## Summary

WCAG’s rule that information must not depend on hue alone, separate from the contrast tests.

- Resource: [WCAG Understanding: Use of Color](https://www.w3.org/WAI/WCAG22/Understanding/use-of-color.html)
- By: W3C
- Kind: writing (article)
- Level: beginner
- Tags: accessibility, designer, developer, spec, web

## In collections

- [Colorblind-Safe Workflows](https://colorcurio.us/library/collections/colorblind-safe-workflows)

[Back to the library](https://colorcurio.us/library)