Sumi palette
Elder Shrine
From #913851 ink through #a84d64, #008177, #c6687e to #009f94 light, Elder Shrine is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size.
redsumifive-stop
#913851
#a84d64
#008177
#c6687e
#009f94
The generator opens with #913851 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.