Petrichor palette
Firstlight Bookshop
From #00606c ink through #008d9d, #37a9b9, #5fb7c4 to #7dd4e2 light, Firstlight Bookshop 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.
cyanpetrichorfive-stop
#00606c
#008d9d
#37a9b9
#5fb7c4
#7dd4e2
The generator opens with #00606c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.