Retro palette
Tumbleweed Depot
Five retro stops with room to breathe — #005c87 grounds, #2886bb and #49a2d9 do the talking, #69b1e0 softens, #85cefe 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
#005c87
#2886bb
#49a2d9
#69b1e0
#85cefe
The generator opens with #005c87 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.