Sumi palette
Blushing Square
Dark anchor, working middle, light release: #770029, #b02549, #d04562, #d66175, #f67d90 form a tetradic sumi set with somewhere to stand at every lightness. Made for craft brewery cans lined up in a cooler door. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#770029
#b02549
#d04562
#d66175
#f67d90
The generator opens with #770029 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.