Sumi palette
Flickering Bluff
Five sumi stops with room to breathe — #862c00 grounds, #b45633 and #d2714e do the talking, #da8668 softens, #f9a384 lifts. The tetradic bones keep it coherent across national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
orangesumifive-stop
#862c00
#b45633
#d2714e
#da8668
#f9a384
The generator opens with #862c00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.