Neon palette
Rainy Depot
Five neon stops with room to breathe — #e05445 grounds, #5e7ff3 and #00a547 do the talking, #809fff softens, #3bc263 lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size.
greenneonfive-stop
#e05445
#5e7ff3
#00a547
#809fff
#3bc263
The generator opens with #e05445 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.