Harmy said:

Yeah, sure, it looks a bit green when you compare it to that but now the walls are a bit too purple.

I loosely based my colour timing of that scene on this picture:

I know it may not be entirely correct but it seems to be the best reference we've got right now.

Yeah, when one thing is right the others look wrong and vice versa. I think you're doing a great job on balancing it anyway. I just posted that pic to show people that his skin had too much green, not too much yellow in it.