Sumi palette
Cinder Boulevard
From #952037 ink through #ad384a, #007777, #cc5463 to #009495 light, Cinder Boulevard is a monochromatic progression that holds together at any size. Use it for bike-shop liveries that survive mud and sun.
redsumifive-stop
#952037
#ad384a
#007777
#cc5463
#009495
The generator opens with #952037 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.