Acid palette
Ashen Alley
From #006d7b ink through #009aae, #3bb6cb, #65c4d5 to #83e2f3 light, Ashen Alley 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 for large text.
cyanacidfive-stop
#006d7b
#009aae
#3bb6cb
#65c4d5
#83e2f3
The generator opens with #006d7b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.