Neon palette
Grassy Chapel
From #223685 ink through #4760ae, #607bcc, #738cd1 to #8da8ef light, Grassy Chapel is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
skyneonfive-stophigh-contrast
#223685
#4760ae
#607bcc
#738cd1
#8da8ef
The generator opens with #223685 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.