Retro palette
Oyster Brook
Dark anchor, working middle, light release: #aa4c00, #c36020, #008cb7, #e27c40, #00aadd form a triadic retro set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes.
orangeretrofive-stop
#aa4c00
#c36020
#008cb7
#e27c40
#00aadd
The generator opens with #aa4c00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.