Monochrome palette
Yonder Meadow
Five monochrome stops with room to breathe — #00591a grounds, #00872c and #34a348 do the talking, #58b063 softens, #75cd7f lifts. The analogous bones keep it coherent across national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
greenmonochromefive-stop
#00591a
#00872c
#34a348
#58b063
#75cd7f
The generator opens with #00591a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.