Sumi palette
Tidal Heath
From #750816 ink through #a13e3e, #bf5957, #c76f6c to #e68b86 light, Tidal Heath is a complementary progression that holds together at any size. Use it for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#750816
#a13e3e
#bf5957
#c76f6c
#e68b86
The generator opens with #750816 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.