Sumi palette
Bitter Square
Five sumi stops with room to breathe — #7d213e grounds, #a94e65 and #c7697f do the talking, #d07e90 softens, #ee9aab lifts. The complementary bones keep it coherent across hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#7d213e
#a94e65
#c7697f
#d07e90
#ee9aab
The generator opens with #7d213e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.