Sumi palette
Clouded Hollow
Dark anchor, working middle, light release: #970002, #c83f33, #e85d4e, #ee7768, #ff9e90 form a split-complementary sumi set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#970002
#c83f33
#e85d4e
#ee7768
#ff9e90
The generator opens with #970002 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.