Sumi palette
Latte Harbor
Dark anchor, working middle, light release: #b42a15, #e25e48, #ff7d67, #ff9a87, #ffc7bb form a tetradic sumi set with somewhere to stand at every lightness. Made for packaging that photographs well under harsh retail light. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#b42a15
#e25e48
#ff7d67
#ff9a87
#ffc7bb
The generator opens with #b42a15 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.