Sumi palette
Ochre Shrine
Five sumi stops with room to breathe — #973a41 grounds, #c3666a and #e28185 do the talking, #ea9698 softens, #ffb8b9 lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#973a41
#c3666a
#e28185
#ea9698
#ffb8b9
The generator opens with #973a41 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.