Sumi palette
Olive Dune
Five sumi stops with room to breathe — #913200 grounds, #c95523 and #e87142 do the talking, #ef8962 softens, #ffae90 lifts. The triadic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
orangesumifive-stop
#913200
#c95523
#e87142
#ef8962
#ffae90
The generator opens with #913200 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.