Petrichor palette
Parchment Mill
Five petrichor stops with room to breathe — #004f58 grounds, #007a87 and #3295a3 do the talking, #56a3ae softens, #73bfcb 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.
cyanpetrichorfive-stop
#004f58
#007a87
#3295a3
#56a3ae
#73bfcb
The generator opens with #004f58 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.