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Huetone vs Pinwheel: catalog facts
Huetone	Pinwheel
Free Free open-source web tool.	Paid $9 USD plus tax, with a 30-day free trial.
Web	macOS
Uses the perceptually based LCH color space Helps keep palettes accessible across hues	OKLCH and OKLAB gradients without muddy midpoints Automated contrast testing
Assumes some familiarity with color spaces Aimed at palette building rather than quick color picking	macOS 15 or later only Paid after the trial
Web application	Downloadable app
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	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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