Acid palette
Grassy Parlor
From #3590ba ink through #0098a1, #2e9a7f, #3ab4bd to #4fb69a light, Grassy Parlor is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size.
cyanacidfive-stop
#3590ba
#0098a1
#2e9a7f
#3ab4bd
#4fb69a
The generator opens with #3590ba as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.