Monochrome palette
Greige Caravan
Dark anchor, working middle, light release: #004868, #0071a1, #308cbe, #539bc5, #6fb7e3 form a split-complementary monochrome set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
skymonochromefive-stop
#004868
#0071a1
#308cbe
#539bc5
#6fb7e3
The generator opens with #004868 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.