Jewel palette
Bracken Kiln
From #ba5f60 ink through #a37510, #008ab7, #d97a7a to #37a6d4 light, Bracken Kiln is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size.
redjewelfive-stop
#ba5f60
#a37510
#008ab7
#d97a7a
#37a6d4
The generator opens with #ba5f60 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.