Tropical palette
Coral Reef
From #004b45 ink through #00776e, #319288, #549f96 to #70bcb2 light, Coral Reef 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 as a text pair.
tealtropicalfive-stophigh-contrast
#004b45
#00776e
#319288
#549f96
#70bcb2
The generator opens with #004b45 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.