Retro palette
Ivory Prairie
Dark anchor, working middle, light release: #3963a8, #638ed3, #7eaaf1, #94baf8, #bed7ff form a split-complementary retro 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.
skyretrofive-stop
#3963a8
#638ed3
#7eaaf1
#94baf8
#bed7ff
The generator opens with #3963a8 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.