Nebula palette
Citrus Pagoda
Five nebula stops with room to breathe — #005c7a grounds, #0087b1 and #36a3ce do the talking, #5db1d6 softens, #7acef4 lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyannebulafive-stop
#005c7a
#0087b1
#36a3ce
#5db1d6
#7acef4
The generator opens with #005c7a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.