Monochrome palette
Cobalt Outpost
Dark anchor, working middle, light release: #006498, #358ec9, #54aae7, #73b9ee, #9fd5ff form a analogous 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
#006498
#358ec9
#54aae7
#73b9ee
#9fd5ff
The generator opens with #006498 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.