Light Admiralty Grey seems more of a blue grey than Duck Egg Grey (although you can't really tell looking at a PC monitor). It certainly looks a little darker.

Colour chart here :-

www.globalmetalfinishers.com%2fwp-content%2fuploads%2f2010%2f02%2fColour-Charts.pdf/RS=%5EADAnhWrHX2DuNqTebOIUFmiluK8Bz0-

Duck Egg Blue is in the BS4800 system No 16 C 33
Light Admiralty Grey is in the BS381C system No 697


Colin