I would like to get more orange shade in the VC, the panel's lighting, because I think it is too white, not as orange shade as in the real NG. Can anybody help?

Do a search on the forum because others including me have fiddled around with it, but otherwise there's this PMDG_Colors.ini in your PMDG folder inside FSX. Now it depends what lighting you want to adjust. The floods are called FLOOD_XXX, the panel integral lights are called LIGHTING_XXX and so forth. It's trial and error basically.