Acid palette
Hickory Cove
From #004b50 ink through #00767d, #319198, #549ea4 to #70bbc1 light, Hickory Cove is a analogous progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
cyanacidfive-stophigh-contrast
#004b50
#00767d
#319198
#549ea4
#70bbc1
The generator opens with #004b50 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.