Sumi palette
Vintage Cabin
Dark anchor, working middle, light release: #b83900, #006eb8, #007c75, #d7572b, #009991 form a split-complementary sumi set with somewhere to stand at every lightness. Made for packaging that photographs well under harsh retail light.
orangesumifive-stop
#b83900
#006eb8
#007c75
#d7572b
#009991
The generator opens with #b83900 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.