I don’t understand what you’re asking. The light blue Neutral pieces match the light blue Allied Supplent pieces so you basically can build a light blue colored army from scratch. I own them they don’t look bad at all.
If you’re asking if these are supposed to be directly used with 1914 the answer is no.
The two things that are missing to create a complete army out the color is a submarine and a fleet carrier (only have the escort carrier).