Bauhaus palette
Icy Abbey
From #004657 ink through #007089, #308ba5, #5299af to #6eb5cc light, Icy Abbey is a triadic 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 as a text pair.
cyanbauhausfive-stophigh-contrast
#004657
#007089
#308ba5
#5299af
#6eb5cc
The generator opens with #004657 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.