Sumi palette
Lupine Alley
Five sumi stops with room to breathe — #7f0529 grounds, #ab3f4f and #ca5b68 do the talking, #d1727b softens, #f08d96 lifts. The tetradic 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
#7f0529
#ab3f4f
#ca5b68
#d1727b
#f08d96
The generator opens with #7f0529 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.