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Leonardo vs Supa Palette: catalog facts
Leonardo	Supa Palette
Free Free to use in the browser, with source published on GitHub.	Freemium The site has a pricing page with paid options; check it for current plans.
Web	Web
Generates swatches from target contrast ratios Adaptive themes make dark mode variants quick	Includes 14 color systems such as Tailwind and Material UI Easing editor for fine control over shade scales
Aimed at design systems work, more than a simple palette picker needs Contrast-driven approach takes some learning	Built around Figma, so less useful outside that tool Not open source
Web application	Web application
Open 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 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.