Sumi palette
Mineral Junction
Dark anchor, working middle, light release: #970047, #b0255a, #00756a, #cf4574, #009386 form a tetradic sumi set with somewhere to stand at every lightness. Made for bakery boxes stamped with a single ink color.
pinksumifive-stop
#970047
#b0255a
#00756a
#cf4574
#009386
The generator opens with #970047 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.