Opera palette
Golden Shrine
From #006798 ink through #2592cf, #49aeed, #6cbef3 to #a2d9ff light, Golden Shrine is a tetradic 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
#006798
#2592cf
#49aeed
#6cbef3
#a2d9ff
The generator opens with #006798 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.