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Leonardo vs Eva Colors: catalog facts
Leonardo	Eva Colors
Free Free to use in the browser, with source published on GitHub.	Free Free to use in the browser.
Web	Web
Generates swatches from target contrast ratios Adaptive themes make dark mode variants quick	Generates a full palette rather than single colors Runs in the browser with nothing to install
Aimed at design systems work, more than a simple palette picker needs Contrast-driven approach takes some learning	Very little documentation on the page Generated palettes follow the Eva Design System approach
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 1, 2026

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