Sumi palette
Sooty Alley
Five sumi stops with room to breathe — #aa3829 grounds, #d76755 and #f68370 do the talking, #fe9a88 softens, #ffc6bb 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.
redsumifive-stop
#aa3829
#d76755
#f68370
#fe9a88
#ffc6bb
The generator opens with #aa3829 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.