Sumi palette
Rumpled Brook
Five sumi stops with room to breathe — #b12800 grounds, #e25839 and #ff7859 do the talking, #ff957c softens, #ffc3b4 lifts. The monochromatic bones keep it coherent across hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#b12800
#e25839
#ff7859
#ff957c
#ffc3b4
The generator opens with #b12800 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.