Petrichor palette
Windy Atelier
From #005665 ink through #008297, #359eb3, #5aabbe to #77c8db light, Windy Atelier is a analogous 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
#005665
#008297
#359eb3
#5aabbe
#77c8db
The generator opens with #005665 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.