Topic: Emulate the cross process on Color?

Just go to the ColorFX room and add a solid yellow Color and a Blend node set to 10 to 15 percent.

Like this:

Topic: Emulate the cross process on Color?

I think you need a combination of curves and the fx room. I found a site which emulates cross processing in photoshop.

Cross Processing in Photoshop

That should be a good start on how to set up the grade.