Retro palette
Cocoa Library
Dark anchor, working middle, light release: #b41b2d, #cd3841, #00878f, #ed575b, #00a5af form a tetradic retro set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes.
redretrofive-stop
#b41b2d
#cd3841
#00878f
#ed575b
#00a5af
The generator opens with #b41b2d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.