Tropical palette
Dusky Library
From #004b4b ink through #007776, #319291, #549f9e to #71bcba light, Dusky Library is a tetradic progression that holds together at any size. Use it for podcast cover art at sixty pixels square. The darkest and lightest stops clear AA as a text pair.
cyantropicalfive-stophigh-contrast
#004b4b
#007776
#319291
#549f9e
#71bcba
The generator opens with #004b4b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.