Sumi palette
Hickory Alley
Dark anchor, working middle, light release: #8e2a0b, #a54024, #007186, #c35b3f, #008ea7 form a analogous sumi set with somewhere to stand at every lightness. Made for event posters that compete with a wall of other posters.
redsumifive-stop
#8e2a0b
#a54024
#007186
#c35b3f
#008ea7
The generator opens with #8e2a0b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.