Retro palette
Oyster Lighthouse
From #1f40a3 ink through #466ccd, #5f88ec, #7599ef to #97b7ff light, Oyster Lighthouse is a split-complementary progression that holds together at any size. Use it for bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA as a text pair.
skyretrofive-stophigh-contrast
#1f40a3
#466ccd
#5f88ec
#7599ef
#97b7ff
The generator opens with #1f40a3 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.