Retro palette
Fennel Clearing
Five retro stops with room to breathe — #1c4d9d grounds, #4777c7 and #6193e5 do the talking, #78a3ea softens, #9ac0ff lifts. The tetradic bones keep it coherent across event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
skyretrofive-stop
#1c4d9d
#4777c7
#6193e5
#78a3ea
#9ac0ff
The generator opens with #1c4d9d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.