Sumi palette
Harbor Crater
Dark anchor, working middle, light release: #6b1b34, #96465a, #b36074, #bd7484, #db909f form a tetradic sumi set with somewhere to stand at every lightness. Made 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
#6b1b34
#96465a
#b36074
#bd7484
#db909f
The generator opens with #6b1b34 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.