Sc0tch

I was watching a documentary about WWI, and it made the point that the French were still using bright red-and-blue uniforms early in the war, which made them clearly visible to the German artillery. It got me thinking about how camouflage would have been an advantage to any army in history, right? Even while using Napoleonic combat tactics, surely being camouflaged wouldn't hurt?

So my question is, were camouflaged uniforms ever used in wars pre-WWI, say, during Napoleonic wars or even before? Did they offer an advantage? And if so, why didn't opposing armies copy them sooner?

And a related question: how about modern combat tactics? I have this picture in my head of Napoleonic armies, sta