Nebula palette
Woven Fen
Five nebula stops with room to breathe — #003f70 grounds, #0066af and #2d81cd do the talking, #4e91d2 softens, #6aadf0 lifts. The analogous bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
skynebulafive-stophigh-contrast
#003f70
#0066af
#2d81cd
#4e91d2
#6aadf0
The generator opens with #003f70 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.