Sumi palette
Kelp Mesa
Dark anchor, working middle, light release: #b05457, #c8696b, #009da3, #e78586, #10bbc2 form a tetradic sumi set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes.
redsumifive-stop
#b05457
#c8696b
#009da3
#e78586
#10bbc2
The generator opens with #b05457 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.