Sumi palette
Torrid Delta
Dark anchor, working middle, light release: #84002a, #b7364e, #d65367, #dd6d7b, #fd8996 form a analogous 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
#84002a
#b7364e
#d65367
#dd6d7b
#fd8996
The generator opens with #84002a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.