Sumi palette
Perennial Glade
Dark anchor, working middle, light release: #9e3310, #cb6143, #ea7d5e, #f19378, #ffb9a5 form a split-complementary 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
#9e3310
#cb6143
#ea7d5e
#f19378
#ffb9a5
The generator opens with #9e3310 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.