Tropical palette
Tawny Cottage
From #00756c ink through #00a497, #3dc1b3, #69cec1 to #87ebde light, Tawny 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.
tealtropicalfive-stop
#00756c
#00a497
#3dc1b3
#69cec1
#87ebde
The generator opens with #00756c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.