I might have mocked the idea of coordinated clothing for the Coliseum crowd as being suitable for North Korean propaganda activities, but I was looking at the wrong end of the peninsula. Apparently using only special jackets, a South Korean soccer crowd can do this:
Note the color scheme on the left if you would.
Anything even remotely close to this comes to fruition at the Coliseum, I will drop everything and fly west to be a a part of the madness.