Sumi palette
Sorrel Lighthouse
Dark anchor, working middle, light release: #972800, #d44619, #f4643b, #fa7f5d, #ffac95 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
#972800
#d44619
#f4643b
#fa7f5d
#ffac95
The generator opens with #972800 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.