Sumi palette
Iris Fen
From #712213 ink through #9c4d3d, #ba6756, #c27b6c to #e19787 light, Iris Fen 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
#712213
#9c4d3d
#ba6756
#c27b6c
#e19787
The generator opens with #712213 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.