Sumi palette
Speckled Delta
Dark anchor, working middle, light release: #aa3100, #dd5c34, #fd7951, #ff9474, #ffc2af form a split-complementary sumi set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#aa3100
#dd5c34
#fd7951
#ff9474
#ffc2af
The generator opens with #aa3100 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.