Surf palette
Cinder Orchard
From #006470 ink through #1090a1, #3dacbd, #63bac8 to #81d7e6 light, Cinder Orchard 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.
cyansurffive-stop
#006470
#1090a1
#3dacbd
#63bac8
#81d7e6
The generator opens with #006470 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.