Sumi palette
Leaden Archive
Dark anchor, working middle, light release: #a94f31, #c06446, #0091ae, #df7f61, #00afd1 form a split-complementary sumi set with somewhere to stand at every lightness. Made for event posters that compete with a wall of other posters.
redsumifive-stop
#a94f31
#c06446
#0091ae
#df7f61
#00afd1
The generator opens with #a94f31 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.