Sumi palette
Calico Mill
Calico Mill runs #ac1705 through #c53523, #007f90, #e55440 to #009db1 in five measured steps, the split-complementary structure keeping every neighbor honest. Reach for it for hotel key cards and lobby signage in one system.
redsumifive-stop
#ac1705
#c53523
#007f90
#e55440
#009db1
The generator opens with #ac1705 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.