Tropical palette
Willow Lagoon
Dark anchor, working middle, light release: #73568b, #855a27, #00746e, #8d70a6, #308f88 form a tetradic tropical set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size.
cyantropicalfive-stop
#73568b
#855a27
#00746e
#8d70a6
#308f88
The generator opens with #73568b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.