Neon palette
Tidal Dock
From #a576b7 ink through #b08136, #009fa1, #c291d4 to #3cbcbd light, Tidal Dock is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size.
cyanneonfive-stop
#a576b7
#b08136
#009fa1
#c291d4
#3cbcbd
The generator opens with #a576b7 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.