Prairie palette
Topaz Clearing
Dark anchor, working middle, light release: #004a4d, #00757a, #319095, #549da1, #70babe form a monochromatic prairie set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
cyanprairiefive-stophigh-contrast
#004a4d
#00757a
#319095
#549da1
#70babe
The generator opens with #004a4d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.