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Color Review vs Contrast Finder: catalog facts
Color Review	Contrast Finder
Free Free to use in the browser with no paid tier shown.	Free Free to use online and open source for self-hosting.
Web	Web, Self-hosted
Edit colors in hex, RGB, HSL, HSV or CMYK Live preview of body text and headlines	Suggests valid colors close to the original Choose to adjust text or background color
Checks one color pair at a time Requires a browser and connection	Checks one color pair at a time Focused only on contrast, not other accessibility criteria
Web application	Web application, Self-hosted
Closed source	Open source
License not stated	License: AGPL-3.0
No account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.