Tropical palette
Breezy Mesa
From #006d70 ink through #009b9f, #3bb7bb, #65c5c8 to #83e2e5 light, Breezy Mesa 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.
cyantropicalfive-stop
#006d70
#009b9f
#3bb7bb
#65c5c8
#83e2e5
The generator opens with #006d70 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.