Sumi palette
Russet Porch
Five sumi stops with room to breathe — #9d0f30 grounds, #b52e43 and #00777a do the talking, #d54d5c softens, #009598 lifts. The complementary bones keep it coherent across museum exhibition graphics with long sightlines.
redsumifive-stop
#9d0f30
#b52e43
#00777a
#d54d5c
#009598
The generator opens with #9d0f30 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.