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Accessible Colors vs Color Review: catalog facts
Accessible Colors	Color Review
Free Used directly in the browser; the site mentions no pricing.	Free Free to use in the browser with no paid tier shown.
Web	Web
Checks against both WCAG AA and AAA levels Suggests the nearest passing colors instead of only failing a pair	Edit colors in hex, RGB, HSL, HSV or CMYK Live preview of body text and headlines
Based on WCAG 2.0 contrast rules Limited to text and background color pairs	Checks one color pair at a time Requires a browser and connection
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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