Tropical palette
Zephyr Bluff
Dark anchor, working middle, light release: #004a3f, #007665, #31917f, #539e8e, #6fbaaa form a tetradic 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.
tealtropicalfive-stophigh-contrast
#004a3f
#007665
#31917f
#539e8e
#6fbaaa
The generator opens with #004a3f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.