Nebula palette
Dusky Clearing
Dark anchor, working middle, light release: #004842, #00746b, #308f85, #539c93, #6fb8af form a tetradic nebula 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.
tealnebulafive-stophigh-contrast
#004842
#00746b
#308f85
#539c93
#6fb8af
The generator opens with #004842 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.