Aurora palette
Luminous Oasis
Five stops tuned to sit together without fighting — #00436c ink anchors the set, #6db2e9 opens it up, and #006ba8, #2e86c5, #5195cb cross the middle in a analogous arrangement. Luminous Oasis suits event posters that compete with a wall of other posters. The darkest and lightest stops clear AA as a text pair.
skyaurorafive-stophigh-contrast
#00436c
#006ba8
#2e86c5
#5195cb
#6db2e9
The generator opens with #00436c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.