Sumi palette
Tranquil Crater
From #ac3144 ink through #d9616d, #f97d88, #ff959c to #ffc4c6 light, Tranquil Crater is a tetradic progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#ac3144
#d9616d
#f97d88
#ff959c
#ffc4c6
The generator opens with #ac3144 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.