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Harmonizer vs Accessible Palette: catalog facts
Harmonizer	Accessible Palette
Free Free to use in the browser.	Free Free to use in the browser; no paid tier is mentioned on the page.
Web	Web
Uses OKLCH for perceptually even palettes Keeps contrast consistent across hues	Consistent perceived lightness across hues Shows WCAG 2 and WCAG 3 contrast for each step
Aimed at UI palettes rather than general color exploration Little documentation visible on the site	Assumes familiarity with LCh values Developer and export options are not described on the page
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	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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