Sumi palette
Frosty Estuary
From #880028 ink through #bb374c, #db5565, #e16f7a to #ff8d96 light, Frosty Estuary is a tetradic 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 as a text pair.
redsumifive-stophigh-contrast
#880028
#bb374c
#db5565
#e16f7a
#ff8d96
The generator opens with #880028 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.