Acid palette
River Hollow
Dark anchor, working middle, light release: #00647f, #0090b6, #38acd3, #61badc, #7fd8fa form a complementary acid set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
cyanacidfive-stop
#00647f
#0090b6
#38acd3
#61badc
#7fd8fa
The generator opens with #00647f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.