Sumi palette
Walnut Dune
From #a42000 ink through #d94c30, #f96a4d, #ff846a to #ffb4a3 light, Walnut Dune is a tetradic progression that holds together at any size. Use it for packaging that photographs well under harsh retail light. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#a42000
#d94c30
#f96a4d
#ff846a
#ffb4a3
The generator opens with #a42000 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.