Sumi palette
Onyx Studio
A steady five-stop progression with room to breathe — the middle stops do the talking while the ends frame them, moving from #37251f ink through #906f5f mid-tones to #f5dad3 light. Built for civic and transit interfaces legible at a glance in any weather.
ambersumisoftweb
#37251f
#5c4433
#906f5f
#bc9f8d
#f5dad3
The generator opens with #37251f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.