Sumi palette
Pine Heath
Dark anchor, working middle, light release: #7b1b25, #a7494c, #c56465, #ce7979, #ec9594 form a tetradic 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
#7b1b25
#a7494c
#c56465
#ce7979
#ec9594
The generator opens with #7b1b25 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.