Sumi palette
Luminous Deck
From #ac3800 ink through #e25f2f, #ff7e52, #ff9b79 to #ffc7b4 light, Luminous Deck 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.
orangesumifive-stop
#ac3800
#e25f2f
#ff7e52
#ff9b79
#ffc7b4
The generator opens with #ac3800 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.