Compare software

Scale vs ColorBox: catalog facts
Scale	ColorBox
Best for: Designers building tint and shade scales for a UI color system	Best for: Designers building color scales for a design system
Free Free to use in the browser.	Free Free to use in the browser; no paid tier is shown on the page.
Web	Web
Builds a full scale from one base color Adjustable hue and saturation curves across the scale All 3 strengths for Scale Builds a full scale from one base color Adjustable hue and saturation curves across the scale Runs in the browser with nothing to install	Fine control over each channel with easing curves Shows contrast ratios for every step All 3 strengths for ColorBox Fine control over each channel with easing curves Shows contrast ratios for every step Exports to Tailwind CSS, OKLCH and Swift
Focused on scales only, not full multi-color palettes Little documentation on the page itself	Curve-based controls take some learning Aimed at systematic scales rather than quick inspiration
Web application	Web application
Not open source	Not open source
License not stated	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 Scale hihayk.github.io/scale Catalog checked September 24, 2026	Official website Full listing and sources Sources for ColorBox colorbox.io Catalog checked September 23, 2026

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