Sumi palette
Cocoa Crossing
From #b02e02 ink through #de6040, #fe7d5c, #ff987e to #ffc5b6 light, Cocoa Crossing is a analogous progression that holds together at any size. Use it for flower-shop wraps and delivery van livery together. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#b02e02
#de6040
#fe7d5c
#ff987e
#ffc5b6
The generator opens with #b02e02 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.