Sumi palette
Steely Lagoon
Dark anchor, working middle, light release: #c56245, #3288ce, #00978e, #e47e60, #00b6ab form a analogous sumi set with somewhere to stand at every lightness. Made for newsletters where the header, links, and footers share one voice.
redsumifive-stop
#c56245
#3288ce
#00978e
#e47e60
#00b6ab
The generator opens with #c56245 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.