Sumi palette
Icy Reef
From #932125 ink through #ab3938, #00747d, #ca5551 to #00919d light, Icy Reef is a tetradic progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes.
redsumifive-stop
#932125
#ab3938
#00747d
#ca5551
#00919d
The generator opens with #932125 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.