Color Correction - Nuke 101: Professional Compositing and Visual Effects - page 184

3. Bring the Gamma slider upto 0.85and bring the Multiply slider downa bit to 0.9
( FIGURE 4.37 ) .
Figure 4.37. The midtones match better now.
4. Hover your mouse pointer in the Viewer and press the Y key to view the RGB
channels ( FIGURE 4.38 ) .
Figure 4.38. There is still work to be done on the color of the midtones.
OK, so the midtones' brightness is now better, but you need to change the color
of the car's midtones. At the moment, the car is too warm for this winter's day.
Matchingcolorisalotmoredifficultasyoualwayshavethreeoptions:red,green,
and blue. Matching gray is a lot easier as you only need to decide whether to
brighten or darken it. However, as each color image is made out of three gray
channels, you can do that to match color too. Here's how.