Retro palette
Autumn Crater
Dark anchor, working middle, light release: #1545a5, #4071cf, #5a8dee, #719ef1, #97bcff form a split-complementary retro set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
skyretrofive-stophigh-contrast
#1545a5
#4071cf
#5a8dee
#719ef1
#97bcff
The generator opens with #1545a5 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.