How would you fix this color problem in Vegas?

[Bob Peterson]

If you mean the guy on the right is too bright, I would use a color curve. The trick is to make the adjustment so that the bright things are darkened, but the darker things are not affected. I do this by taking a screenshot, and then use Photoshop to tell me where on the curve the target luminance is located. I can then set up the appropriate fixed point on the Vegas color curve, and pull the curve above that point down to darken the highlights. I do try to keep the curve as smooth as possible.

[Scott Sullivan]

Thanks Bob!