Earthy palette
Halcyon Fen
Dark anchor, working middle, light release: #b6634e, #6b77c0, #3c9160, #d47e68, #59ad7a form a analogous earthy set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size.
redearthyfive-stop
#b6634e
#6b77c0
#3c9160
#d47e68
#59ad7a
The generator opens with #b6634e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.