Sumi palette
Sumac Abbey
From #7d0021 ink through #b03343, #cf505c, #d66a70 to #f6868b light, Sumac Abbey is a tetradic progression that holds together at any size. Use it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#7d0021
#b03343
#cf505c
#d66a70
#f6868b
The generator opens with #7d0021 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.