Sumi palette
Elder Bluff
Dark anchor, working middle, light release: #8a1200, #bb422e, #da5f49, #e17763, #ff9480 form a complementary sumi set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#8a1200
#bb422e
#da5f49
#e17763
#ff9480
The generator opens with #8a1200 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.