Opera palette
Foggy Heath
From #004e6d ink through #0078a5, #3293c2, #56a2ca to #73bee7 light, Foggy Heath is a analogous 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 for large text.
skyoperafive-stop
#004e6d
#0078a5
#3293c2
#56a2ca
#73bee7
The generator opens with #004e6d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.