Sumi palette
Blushing Reef
Dark anchor, working middle, light release: #872200, #c83800, #e8572d, #ee7351, #ff9a7d form a analogous sumi set with somewhere to stand at every lightness. Made for dashboards where status colors must survive color-vision differences. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#872200
#c83800
#e8572d
#ee7351
#ff9a7d
The generator opens with #872200 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.