Retro palette
Rocky Reef
From #b6393c ink through #3865c7, #1b811f, #d55656 to #3e9d3d light, Rocky Reef is a tetradic progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes.
redretrofive-stop
#b6393c
#3865c7
#1b811f
#d55656
#3e9d3d
The generator opens with #b6393c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.