Nebula palette
Plum Deck
Five nebula stops with room to breathe — #8e4e8a grounds, #9a560d and #0071a6 do the talking, #2c7c42 softens, #308cc3 lifts. The split-complementary bones keep it coherent across book covers that read at thumbnail size.
greennebulafive-stop
#8e4e8a
#9a560d
#0071a6
#2c7c42
#308cc3
The generator opens with #8e4e8a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.