Sumi palette
Marble Glade
From #9a2b29 ink through #b2423d, #007b86, #d15e57 to #0099a6 light, Marble Glade is a tetradic progression that holds together at any size. Use it for museum exhibition graphics with long sightlines.
redsumifive-stop
#9a2b29
#b2423d
#007b86
#d15e57
#0099a6
The generator opens with #9a2b29 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.