Sumi palette
Calico Granary
From #a92834 ink through #d65a5e, #f67678, #fc8f8e to #ffbcba light, Calico Granary is a tetradic progression that holds together at any size. Use it for dashboards where status colors must survive color-vision differences. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#a92834
#d65a5e
#f67678
#fc8f8e
#ffbcba
The generator opens with #a92834 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.