Sumi palette
Emerald Square
From #8e302f ink through #ba5c58, #d87772, #e18c87 to #ffa9a3 light, Emerald Square is a tetradic progression that holds together at any size. Use it for music artwork with loud darks and a glowing accent. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#8e302f
#ba5c58
#d87772
#e18c87
#ffa9a3
The generator opens with #8e302f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.