Retro palette
Tranquil Deck
From #415dba ink through #6989e5, #86a6ff, #9cb8ff to #c6d6ff light, Tranquil Deck is a split-complementary progression that holds together at any size. Use it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
skyretrofive-stop
#415dba
#6989e5
#86a6ff
#9cb8ff
#c6d6ff
The generator opens with #415dba as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.