Nebula palette
Jasmine Bluff
Five nebula stops with room to breathe — #1d7995 grounds, #307e5f and #007e7d do the talking, #339998 softens, #4d9a79 lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size.
cyannebulafive-stop
#1d7995
#307e5f
#007e7d
#339998
#4d9a79
The generator opens with #1d7995 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.