Retro palette
Lichen Delta
Dark anchor, working middle, light release: #006299, #008dd8, #38aaf7, #61b9fb, #9fd4ff form a triadic retro 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.
skyretrofive-stop
#006299
#008dd8
#38aaf7
#61b9fb
#9fd4ff
The generator opens with #006299 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.