Prairie palette
Sienna Granary
Dark anchor, working middle, light release: #2d6d92, #007480, #187766, #318f9b, #3b9280 form a analogous prairie set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes.
cyanprairiefive-stop
#2d6d92
#007480
#187766
#318f9b
#3b9280
The generator opens with #2d6d92 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.