Sumi palette
Sooty Square
Five stops tuned to sit together without fighting — #ab2949 ink anchors the set, #00a6a2 opens it up, and #c3415c, #008885, #e35e76 cross the middle in a tetradic arrangement. Sooty Square suits bike-shop liveries that survive mud and sun.
redsumifive-stop
#ab2949
#c3415c
#008885
#e35e76
#00a6a2
The generator opens with #ab2949 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.