Retro palette
Denim Library
From #01699c ink through #4593c6, #62afe4, #7ebeeb to #a7daff light, Denim Library is a complementary progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
skyretrofive-stop
#01699c
#4593c6
#62afe4
#7ebeeb
#a7daff
The generator opens with #01699c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.