Earthy palette
Granite Delta
From #9c5435 ink through #3b6ca6, #007a79, #b96e4f to #009896 light, Granite Delta is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size.
orangeearthyfive-stop
#9c5435
#3b6ca6
#007a79
#b96e4f
#009896
The generator opens with #9c5435 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.