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Colorffy vs uiGradients: catalog facts
Colorffy	uiGradients
Free The tools can be started for free; the research does not describe paid tiers.	Free Free to browse and copy gradients.
Web	Web
Generators for complete light and dark UI themes Palette, gradient and color mixer tools in one place	Ready-to-use CSS for every gradient Community-contributed collection to browse
Web only, with nothing to install or run offline Pricing beyond the free start is not clearly described	A gallery of fixed gradients rather than a gradient editor Little information on the site about how often new gradients are added
Web application	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 23, 2026	Official website Full listing and sources Checked September 23, 2026

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