Sumi palette
Vintage Moor
Dark anchor, working middle, light release: #6e1c00, #ad3200, #cc5029, #d3694a, #f28565 form a triadic 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
#6e1c00
#ad3200
#cc5029
#d3694a
#f28565
The generator opens with #6e1c00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.