Sumi palette
Bracken Oasis
From #93659f ink through #a96640, #2684a9, #59884c to #c6815a light, Bracken Oasis is a triadic progression that holds together at any size. Use it for book covers that read at thumbnail size.
orangesumifive-stop
#93659f
#a96640
#2684a9
#59884c
#c6815a
The generator opens with #93659f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.