Acid palette
Soft Hollow
From #006478 ink through #0090ac, #38acc9, #61bad2 to #7ed7f0 light, Soft Hollow is a tetradic 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
#006478
#0090ac
#38acc9
#61bad2
#7ed7f0
The generator opens with #006478 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.