Sumi palette
Greige Kiosk
Dark anchor, working middle, light release: #7f2000, #b54322, #d45f3f, #db775b, #fa9376 form a split-complementary sumi set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#7f2000
#b54322
#d45f3f
#db775b
#fa9376
The generator opens with #7f2000 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.