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ColorBox vs Supa Palette: catalog facts
ColorBox	Supa Palette
Free Free to use in the browser; no paid tier is shown on the page.	Freemium The site has a pricing page with paid options; check it for current plans.
Web	Web
Fine control over each channel with easing curves Shows contrast ratios for every step	Includes 14 color systems such as Tailwind and Material UI Easing editor for fine control over shade scales
Curve-based controls take some learning Aimed at systematic scales rather than quick inspiration	Built around Figma, so less useful outside that tool Not open source
Web application	Web application
Closed source	Closed source
License not stated	License not stated
No account 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 23, 2026	Official website Full listing and sources Checked October 2, 2026

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