Sumi palette
Malty Depot
From #ce475f ink through #736ade, #8b8000, #00908f to #ee6479 light, Malty Depot is a tetradic progression that holds together at any size. Use it for book covers that read at thumbnail size.
redsumifive-stop
#ce475f
#736ade
#8b8000
#00908f
#ee6479
The generator opens with #ce475f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.