Sumi palette
Mossy Kiln
Dark anchor, working middle, light release: #9b2a00, #b53f1b, #00798f, #d45c39, #0096b1 form a triadic sumi set with somewhere to stand at every lightness. Made for bakery boxes stamped with a single ink color.
redsumifive-stop
#9b2a00
#b53f1b
#00798f
#d45c39
#0096b1
The generator opens with #9b2a00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.