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UI Colors vs Scale: catalog facts
UI Colors	Scale
Freemium Free to use, with a paid Pro upgrade that unlocks extra options.	Free Free to use in the browser.
Web	Web
Generates full Tailwind shade scales from one color Previews palettes on realistic UI examples and shadcn/ui components	Builds a full scale from one base color Adjustable hue and saturation curves across the scale
Some features require a Pro subscription Focused on Tailwind CSS naming and scales	Focused on scales only, not full multi-color palettes Little documentation on the page itself
Web application	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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