Sumi palette
Sooty Crossing
Dark anchor, working middle, light release: #9e0359, #cc4781, #ec649c, #f37eab, #ffa9c7 form a tetradic sumi set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
pinksumifive-stophigh-contrast
#9e0359
#cc4781
#ec649c
#f37eab
#ffa9c7
The generator opens with #9e0359 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.