Acid palette
Marble Dune
Dark anchor, working middle, light release: #006460, #00918c, #38ada8, #60bab5, #7ed7d2 form a analogous acid set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
cyanacidfive-stop
#006460
#00918c
#38ada8
#60bab5
#7ed7d2
The generator opens with #006460 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.