Nebula palette
Flickering Delta
Dark anchor, working middle, light release: #004a6b, #1473a1, #398ebe, #599dc6, #75b9e3 form a tetradic nebula set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skynebulafive-stop
#004a6b
#1473a1
#398ebe
#599dc6
#75b9e3
The generator opens with #004a6b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.