Sumi palette
Tranquil Square
Tranquil Square runs #7b0010 through #ad3535, #cc524e, #d36b65 to #f28780 in five measured steps, the complementary structure keeping every neighbor honest. Reach for it for craft brewery cans lined up in a cooler door. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#7b0010
#ad3535
#cc524e
#d36b65
#f28780
The generator opens with #7b0010 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.