Sumi palette
Tidal Kiosk
Dark anchor, working middle, light release: #920a00, #cb3524, #eb5541, #f1715e, #ff9b8a 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
#920a00
#cb3524
#eb5541
#f1715e
#ff9b8a
The generator opens with #920a00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.