Sumi palette
Copper Fen
Copper Fen runs #a21944 through #d0506c, #f06d86, #f78699 to #ffb1bc in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for indie game interfaces with a strong day-night rhythm. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#a21944
#d0506c
#f06d86
#f78699
#ffb1bc
The generator opens with #a21944 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.