Sumi palette
Brazen Square
Five sumi stops with room to breathe — #9a3b00 grounds, #da5700 and #fa7432 do the talking, #ff8e5c softens, #ffbc9f lifts. The analogous bones keep it coherent across national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
orangesumifive-stop
#9a3b00
#da5700
#fa7432
#ff8e5c
#ffbc9f
The generator opens with #9a3b00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.