Sumi palette
Cocoa Atelier
From #a6003f ink through #d54767, #f56581, #fb8095 to #ffafba light, Cocoa Atelier is a tetradic progression that holds together at any size. Use it for indie game interfaces with a strong day-night rhythm. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#a6003f
#d54767
#f56581
#fb8095
#ffafba
The generator opens with #a6003f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.