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Color Review vs Contraste: catalog facts
Color Review	Contraste
Free Free to use in the browser with no paid tier shown.	Free The app is available to download for free.
Web	macOS
Edit colors in hex, RGB, HSL, HSV or CMYK Live preview of body text and headlines	Checks text and background color combinations against WCAG thresholds Runs on macOS High Sierra and newer
Checks one color pair at a time Requires a browser and connection	Available only for macOS
Web application	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Needs internet	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 8, 2026

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