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Paletton vs Accessible Color Matrix: catalog facts
Paletton	Accessible Color Matrix
Free No paid tier; the site states advertising is its only profit and asks for donations.	Free Free to use in the browser.
Web	Web
Color models from monochromatic to triad and tetrad, with or without complement, plus a free-style mode Vision simulation filter for several forms of color blindness, gamma, desaturation and grayscale	Checks every color pairing in a palette at once Grid view makes passing and failing combinations easy to scan
Requires JavaScript in the browser; no installable app Ad-supported; the site asks visitors not to use ad blockers	Focused only on contrast, with no palette generation Small single-purpose tool with limited documentation
Web application, Hosted service	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked October 2, 2026

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