Tropical palette
Ashen Dune
Dark anchor, working middle, light release: #004c4b, #007876, #329391, #55a09e, #71bdba form a monochromatic tropical set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
cyantropicalfive-stophigh-contrast
#004c4b
#007876
#329391
#55a09e
#71bdba
The generator opens with #004c4b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.