Nebula palette
Copper Station
Five nebula stops with room to breathe — #b16c99 grounds, #bb7053 and #0f9a96 do the talking, #cf87b5 softens, #3fb6b2 lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size.
cyannebulafive-stop
#b16c99
#bb7053
#0f9a96
#cf87b5
#3fb6b2
The generator opens with #b16c99 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.