Sumi palette
Sunlit Deck
Dark anchor, working middle, light release: #833318, #9a472d, #006f85, #b86247, #008ca7 form a triadic sumi set with somewhere to stand at every lightness. Made for craft brewery cans lined up in a cooler door.
redsumifive-stop
#833318
#9a472d
#006f85
#b86247
#008ca7
The generator opens with #833318 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.