Frost palette
Snowy Square
Five frost stops with room to breathe — #004e56 grounds, #007985 and #3294a0 do the talking, #56a2ac softens, #72bec9 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 for large text.
cyanfrostfive-stop
#004e56
#007985
#3294a0
#56a2ac
#72bec9
The generator opens with #004e56 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.