Sumi palette
Chalky Hollow
Dark anchor, working middle, light release: #cc395b, #0079d8, #538a00, #ec5875, #67a800 form a tetradic sumi set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines.
redsumifive-stop
#cc395b
#0079d8
#538a00
#ec5875
#67a800
The generator opens with #cc395b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.