Retro palette
Grape Cabin
From #1b32a3 ink through #3e60cd, #567cec, #6b8fee to #8cadff light, Grape Cabin is a split-complementary progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
skyretrofive-stophigh-contrast
#1b32a3
#3e60cd
#567cec
#6b8fee
#8cadff
The generator opens with #1b32a3 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.