Sumi palette
Marigold Crater
Five sumi stops with room to breathe — #862a2f grounds, #b25657 and #d07171 do the talking, #d98685 softens, #f7a2a0 lifts. The analogous bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#862a2f
#b25657
#d07171
#d98685
#f7a2a0
The generator opens with #862a2f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.