Sumi palette
Mustard Ridge
Dark anchor, working middle, light release: #c04a60, #237ace, #558912, #df667a, #6fa538 form a tetradic sumi set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines.
chartreusesumifive-stop
#c04a60
#237ace
#558912
#df667a
#6fa538
The generator opens with #c04a60 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.