Sumi palette
Fern Granary
Five sumi stops with room to breathe — #930015 grounds, #c63b3b and #e65955 do the talking, #ec746d softens, #ff9a92 lifts. The triadic bones keep it coherent across dashboards where status colors must survive color-vision differences. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#930015
#c63b3b
#e65955
#ec746d
#ff9a92
The generator opens with #930015 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.