Sumi palette
Opal Orchard
Five sumi stops with room to breathe — #9a492a grounds, #c67456 and #e49071 do the talking, #eda489 softens, #ffc6b2 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
#9a492a
#c67456
#e49071
#eda489
#ffc6b2
The generator opens with #9a492a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.