Sumi palette
Toasted Fjord
Dark anchor, working middle, light release: #aa1600, #c33420, #007e8f, #e3533d, #009bb0 form a tetradic sumi set with somewhere to stand at every lightness. Made for dashboards where status colors must survive color-vision differences.
redsumifive-stop
#aa1600
#c33420
#007e8f
#e3533d
#009bb0
The generator opens with #aa1600 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.