Sumi palette
Cobalt Oasis
Dark anchor, working middle, light release: #741b00, #a1472f, #bf6249, #c77761, #e6927c form a 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
#741b00
#a1472f
#bf6249
#c77761
#e6927c
The generator opens with #741b00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.