Surf palette
Ember Heath
From #004844 ink through #00736e, #308e88, #529b96 to #6eb7b2 light, Ember Heath is a complementary 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.
cyansurffive-stophigh-contrast
#004844
#00736e
#308e88
#529b96
#6eb7b2
The generator opens with #004844 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.