Sumi palette
Russet Estuary
Five sumi stops with room to breathe — #7c1e00 grounds, #b24223 and #d15e3f do the talking, #d8765b softens, #f79276 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
#7c1e00
#b24223
#d15e3f
#d8765b
#f79276
The generator opens with #7c1e00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.