Petrichor palette
Ginger Caravan
From #00454e ink through #00707d, #308b98, #5198a4 to #6eb4c0 light, Ginger Caravan is a split-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 as a text pair.
cyanpetrichorfive-stophigh-contrast
#00454e
#00707d
#308b98
#5198a4
#6eb4c0
The generator opens with #00454e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.