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Huetone vs Color Studio: catalog facts
Huetone	Color Studio
Free Free open-source web tool.	Free Free and open source under the Apache 2.0 licence.
Web	macOS
Uses the perceptually based LCH color space Helps keep palettes accessible across hues	Focuses on coherent palettes rather than single colors Considers accessibility when building themes
Assumes some familiarity with color spaces Aimed at palette building rather than quick color picking	No formal releases published on GitHub Small project maintained by one developer
Web application	Downloadable app
Open source	Open source
License not stated	License: Apache-2.0
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 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.