Sumi palette
Ember Garret
Dark anchor, working middle, light release: #9c1433, #c94c5b, #e96875, #ef8189, #ffa8ac form a monochromatic 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 for large text.
redsumifive-stop
#9c1433
#c94c5b
#e96875
#ef8189
#ffa8ac
The generator opens with #9c1433 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.