Have you ever been messing around with those cool holograms on MvM maps, when you notice that they always have that blue hue on them? Don't you ever wish you could make them a proper purple, or grey, or white?

I'll assume your answer is yes, in which case, you should indeed download this!
The zip contains all the model and material-related files. Just plop 'em down in their respective folders and you should be good to go!

A quick few examples, as taken on Terrorlict: