# CSS Color Module Level 5

Canonical URL: https://colorcurio.us/library/w3c-css-color-5
Source type: Library entry
Resource URL: https://www.w3.org/TR/css-color-5/
Added: 2026-09-22

## Summary

The CSS Color 5 spec: color-mix(), relative color syntax, light-dark(), and contrast-color().

- Resource: [CSS Color Module Level 5](https://www.w3.org/TR/css-color-5/)
- By: Chris Lilley, Una Kravets & Lea Verou
- Kind: references (article)
- Level: advanced
- Tags: color-spaces, gradients, oklab, developer, spec, css

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- [The OKLCh Ecosystem](https://colorcurio.us/library/collections/oklch-ecosystem)

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