Sumi palette
Clouded Reef
Dark anchor, working middle, light release: #a02100, #ce543a, #ee7055, #f48970, #ffb19f form a analogous 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 for large text.
redsumifive-stop
#a02100
#ce543a
#ee7055
#f48970
#ffb19f
The generator opens with #a02100 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.