Change Crowd Light

[Deadite988]

Hi there, i dont know if this was answered before, but i want change the color of the light on the crowd for the arenas, and the headlights of Wrestlemania 22 arena , to look like this

instead that blue colors 

[denbigh7]

Following this. I’d like to make a few arenas darker, with less light. Wondering if that’s possible.