Blue Hour palette
Fern Lagoon
Fern Lagoon runs #004487 through #2d6db8, #4989d6, #6398db to #7eb5f9 in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
skybluehourfive-stophigh-contrast
#004487
#2d6db8
#4989d6
#6398db
#7eb5f9
The generator opens with #004487 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.