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Palettte App vs ColorBox: catalog facts
Palettte App	ColorBox
Free Used free in the browser with no sign-up shown.	Free Free to use in the browser; no paid tier is shown on the page.
Web	Web
Fine HSV control over each swatch Interpolation between colors	Fine control over each channel with easing curves Shows contrast ratios for every step
Needs a wide landscape screen Original palettte.app address now redirects to BairesDev	Curve-based controls take some learning Aimed at systematic scales rather than quick inspiration
Web application	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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