Sumi palette
Seaside Reef
From #812034 ink through #ad4e5b, #cb6975, #d47e87 to #f29aa3 light, Seaside Reef is a split-complementary progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#812034
#ad4e5b
#cb6975
#d47e87
#f29aa3
The generator opens with #812034 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.