Retro palette
Twilit Brook
Dark anchor, working middle, light release: #bb292f, #d44343, #008e9a, #f4615d, #00adba form a analogous retro set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes.
redretrofive-stop
#bb292f
#d44343
#008e9a
#f4615d
#00adba
The generator opens with #bb292f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.