Monochrome palette
Brisk Fen
From #007188 ink through #009ebe, #3cbbdb, #68c9e5 to #8ee5ff light, Brisk Fen is a analogous progression that holds together at any size. Use it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
cyanmonochromefive-stop
#007188
#009ebe
#3cbbdb
#68c9e5
#8ee5ff
The generator opens with #007188 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.