Ocean palette
Tidal Cottage
From #005164 ink through #007c97, #3397b3, #58a5bd to #74c2da light, Tidal Cottage is a tetradic 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.
cyanoceanfive-stop
#005164
#007c97
#3397b3
#58a5bd
#74c2da
The generator opens with #005164 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.