Sumi palette
Halcyon Kiln
Dark anchor, working middle, light release: #7c003b, #a93b61, #c8577b, #d06e8b, #ee8aa6 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
#7c003b
#a93b61
#c8577b
#d06e8b
#ee8aa6
The generator opens with #7c003b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.