Nebula palette
Polar Caravan
Dark anchor, working middle, light release: #006b97, #0097d3, #3ab4f1, #65c3f7, #a4ddff form a tetradic nebula set with somewhere to stand at every lightness. Made for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
skynebulafive-stop
#006b97
#0097d3
#3ab4f1
#65c3f7
#a4ddff
The generator opens with #006b97 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.