Tropical palette
Rosewood Atelier
From #005555 ink through #008181, #349d9c, #59aaa9 to #76c6c6 light, Rosewood Atelier is a tetradic 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.
cyantropicalfive-stop
#005555
#008181
#349d9c
#59aaa9
#76c6c6
The generator opens with #005555 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.