Petrichor palette
Denim Beacon
From #005756 ink through #008382, #359f9d, #5aacaa to #77c9c7 light, Denim Beacon is a tetradic progression that holds together at any size. Use it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#005756
#008382
#359f9d
#5aacaa
#77c9c7
The generator opens with #005756 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.