Aurora palette
Lantern Loft
Five aurora stops with room to breathe — #344187 grounds, #5a6ab0 and #7385cd do the talking, #8596d4 softens, #a1b2f2 lifts. The analogous bones keep it coherent across event posters that compete with a wall of other posters. The darkest and lightest stops clear AA as a text pair.
skyaurorafive-stophigh-contrast
#344187
#5a6ab0
#7385cd
#8596d4
#a1b2f2
The generator opens with #344187 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.