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UI Colors vs Huetone: catalog facts
UI Colors	Huetone
Freemium Free to use, with a paid Pro upgrade that unlocks extra options.	Free Free open-source web tool.
Web	Web
Generates full Tailwind shade scales from one color Previews palettes on realistic UI examples and shadcn/ui components	Uses the perceptually based LCH color space Helps keep palettes accessible across hues
Some features require a Pro subscription Focused on Tailwind CSS naming and scales	Assumes some familiarity with color spaces Aimed at palette building rather than quick color picking
Web application	Web application
Closed source	Open 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.