Sumi palette
Opal Shrine
Five sumi stops with room to breathe — #a33b30 grounds, #d0685b and #ef8476 do the talking, #f79a8d softens, #ffc2b9 lifts. The complementary bones keep it coherent across national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#a33b30
#d0685b
#ef8476
#f79a8d
#ffc2b9
The generator opens with #a33b30 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.