Nebula palette
Raw Fjord
From #006586 ink through #0091be, #39addc, #62bce3 to #84d8ff light, Raw Fjord 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.
cyannebulafive-stop
#006586
#0091be
#39addc
#62bce3
#84d8ff
The generator opens with #006586 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.