Sumi palette
Cream Garret
Dark anchor, working middle, light release: #8d2400, #c34a28, #e26745, #e97f62, #ffa187 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
#8d2400
#c34a28
#e26745
#e97f62
#ffa187
The generator opens with #8d2400 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.