Sumi palette
Pepper Library
From #772a00 ink through #ae4a1a, #cc6639, #d47b57 to #f39772 light, Pepper Library is a split-complementary progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
orangesumifive-stop
#772a00
#ae4a1a
#cc6639
#d47b57
#f39772
The generator opens with #772a00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.