Sumi palette
Sooty Marsh
Dark anchor, working middle, light release: #b43f47, #6e59bd, #727200, #007c82, #d35b60 form a tetradic sumi set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system.
redsumifive-stop
#b43f47
#6e59bd
#727200
#007c82
#d35b60
The generator opens with #b43f47 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.