Nebula palette
Plum Reef
From #6251a7 ink through #8a7cd2, #a598f0, #b4aaf6 to #d1ccff light, Plum Reef is a analogous progression that holds together at any size. Use it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
bluenebulafive-stop
#6251a7
#8a7cd2
#a598f0
#b4aaf6
#d1ccff
The generator opens with #6251a7 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.