Sumi palette
Midnight Square
Midnight Square runs #8a1b00 through #ba4931, #d9654c, #e07c66 to #ff9982 in five measured steps, the analogous structure keeping every neighbor honest. Reach for it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#8a1b00
#ba4931
#d9654c
#e07c66
#ff9982
The generator opens with #8a1b00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.