Sumi palette
Lupine Grove
Five sumi stops with room to breathe — #9c2235 grounds, #b43a48 and #007b7e do the talking, #d35761 softens, #00999c lifts. The tetradic bones keep it coherent across national-park posters with layered mountain silhouettes.
redsumifive-stop
#9c2235
#b43a48
#007b7e
#d35761
#00999c
The generator opens with #9c2235 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.