Petrichor palette
Gloaming Square
From #00474c ink through #007279, #308d94, #529aa0 to #6eb6bc light, Gloaming Square is a complementary progression that holds together at any size. Use it for flower-shop wraps and delivery van livery together. The darkest and lightest stops clear AA as a text pair.
cyanpetrichorfive-stophigh-contrast
#00474c
#007279
#308d94
#529aa0
#6eb6bc
The generator opens with #00474c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.