Sumi palette
Sloe Hollow
Five sumi stops with room to breathe — #992700 grounds, #d14b26 and #f16844 do the talking, #f78263 softens, #ffad97 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
#992700
#d14b26
#f16844
#f78263
#ffad97
The generator opens with #992700 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.