Sumi palette
Bracken Lane
From #86499a ink through #a44702, #007193, #3a781b to #c2622b light, Bracken Lane is a monochromatic progression that holds together at any size. Use it for book covers that read at thumbnail size.
greensumifive-stop
#86499a
#a44702
#007193
#3a781b
#c2622b
The generator opens with #86499a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.