Sumi palette
Iris Ridge
Dark anchor, working middle, light release: #8962a8, #ad5c42, #00839e, #628234, #cb775c form a split-complementary sumi set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes.
redsumifive-stop
#8962a8
#ad5c42
#00839e
#628234
#cb775c
The generator opens with #8962a8 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.