Here’s an excellent article with case studies on how the major Hollywood studios tackle color correction or grading for VFX movies: Color Grading and DI on Visual Effects Heavy Movies | Premiumbeat.com.
This is what Maxine Gervais, colorist at Warner Bros. Motion Picture Imaging, had to say about Pacific Rim:
I took my laptop Baselight on set,” she recalled. “I made sure I was using all the right color curves, so I was sure where the DoP was going. I did tests with Guillermo Navarro that he loved – that’s how I got the gig.
Read the Elysium case study for 4K DI here: http://www.studiodaily.com/2013/07/how-elysiums-4k-di-integrated-editorial-and-vfx/