Tropical palette
Marble Garret
From #00554f ink through #008279, #349e94, #59aba2 to #76c7be light, Marble Garret is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
tealtropicalfive-stop
#00554f
#008279
#349e94
#59aba2
#76c7be
The generator opens with #00554f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.