Monochrome palette
Linen Reef
Five monochrome stops with room to breathe — #3c7eae grounds, #00879b and #0b8b7d do the talking, #36a3b7 softens, #3aa798 lifts. The triadic bones keep it coherent across event posters that compete with a wall of other posters.
skymonochromefive-stop
#3c7eae
#00879b
#0b8b7d
#36a3b7
#3aa798
The generator opens with #3c7eae as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.