Sumi palette
Polar Pier
From #bc1b18 ink through #ea574a, #ff7f70, #ff9b8e to #ffc8c0 light, Polar Pier is a triadic progression that holds together at any size. Use it for bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#bc1b18
#ea574a
#ff7f70
#ff9b8e
#ffc8c0
The generator opens with #bc1b18 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.