Correcting Shots - The Art and Technique of Digital Color Correction - page 276

Fig. 7.18 A secondary with a vignette to pop his face out of the background.
Fig. 7.19 The data from the second secondary.
Saving a Shot with Bad Color Cast
Neal Kassner, colorist for CBS's 48 Hours was drawn to the challenge of
the “flowerbench” scene ( Figure 7.25 ).
“Obviously, it's very washed out and it's very green. There's some
whites there. There's actually some blacks as well. So I'm going to crank
down the black level and then bring the gammas down a little bit as well.