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kmeans-colors vs Color Designer: catalog facts
kmeans-colors	Color Designer
Best for: Developers and designers extracting color palettes from images on the command line	Best for: Designers who want several palette and color tools in one website
Free Free and open source, dual-licensed under MIT and Apache 2.0.	Free + paid options Free with ads; Pro removes ads and adds features, with a 14-day trial.
Command line	Web
Extracts dominant colors or a palette from an image Also does binarization and color style transfer All 3 strengths for kmeans-colors Extracts dominant colors or a palette from an image Also does binarization and color style transfer Usable as a CLI or a Rust library	Many color tools in one place Palette extraction from images All 3 strengths for Color Designer Many color tools in one place Palette extraction from images Contrast checker and color code converter
Command-line only, with no graphical interface No GitHub releases; installation may need the Rust toolchain	Ads on the free tier Saving unlimited palettes needs Pro
Downloadable app	Web application
Open source	Not open source
License: MIT OR Apache-2.0	License: Proprietary
No account needed	No account needed
Offline features available	Not stated if it works offline
Official website Full listing and sources Sources for kmeans-colors github.com/okaneco/kmeans-colors Catalog checked October 2, 2026	Official website Full listing and sources Sources for Color Designer colordesigner.io Catalog checked September 23, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.