Sumi palette
Butter Fjord
From #a42b2e ink through #bc4242, #00818b, #db5f5c to #009faa light, Butter Fjord is a tetradic progression that holds together at any size. Use it for bike-shop liveries that survive mud and sun.
redsumifive-stop
#a42b2e
#bc4242
#00818b
#db5f5c
#009faa
The generator opens with #a42b2e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.