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K’uychi vs Accessible Palette: catalog facts
K’uychi	Accessible Palette
Best for: Designers and developers building color palettes	Best for: Designers building accessible multi-hue color systems
Free Free and open source under Blue Oak Model License 1.0.0.	Free Free to use in the browser; no paid tier is mentioned on the page.
Linux	Web
Generates lighter and darker shades from a base color Uses OKLab for perceptual uniformity All 3 strengths for K’uychi Generates lighter and darker shades from a base color Uses OKLab for perceptual uniformity Copies hexadecimal values for use in other tools	Consistent perceived lightness across hues Shows WCAG 2 and WCAG 3 contrast for each step All 3 strengths for Accessible Palette Consistent perceived lightness across hues Shows WCAG 2 and WCAG 3 contrast for each step Handles several hues side by side
Linux desktop application	Assumes familiarity with LCh values Developer and export options are not described on the page
Downloadable app	Web application
Open source	Not open source
License: BlueOak-1.0.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for K’uychi codeberg.org/nyx_lyb3ra/kuychi Catalog checked October 8, 2026	Official website Full listing and sources Sources for Accessible Palette accessiblepalette.com Catalog checked September 23, 2026

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