Sumi palette
Frosty Kiln
Dark anchor, working middle, light release: #8f203f, #a73752, #007570, #c6536b, #00928c form a split-complementary sumi set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system.
redsumifive-stop
#8f203f
#a73752
#007570
#c6536b
#00928c
The generator opens with #8f203f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.