Sumi palette
Crackling Bookshop
Dark anchor, working middle, light release: #b22c4f, #ca4463, #008d88, #ea617d, #00aca6 form a split-complementary sumi set with somewhere to stand at every lightness. Made for bakery boxes stamped with a single ink color.
redsumifive-stop
#b22c4f
#ca4463
#008d88
#ea617d
#00aca6
The generator opens with #b22c4f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.