Sumi palette
Ginger Lighthouse
From #7a2506 ink through #a55137, #c36c51, #cb8069 to #ea9c84 light, Ginger Lighthouse is a analogous 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 as a text pair.
redsumifive-stophigh-contrast
#7a2506
#a55137
#c36c51
#cb8069
#ea9c84
The generator opens with #7a2506 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.