Apple Color 1.5 - Manual (Page 245)

At this point, the correction is finished. The red light appears in the fill light falling on the
woman's face, while the shadows and very brightest highlights from the sun are nice and
neutral, enhancing the color contrast of the image.
Here is a before-and-after comparison so you can see the difference.
The Basic Tab
The Basic tab contains the controls for Saturation, as well as Master Lift, Gamma, and Gain
parameters that let you make additional adjustments to the contrast of your image.
For more information, see:
• Saturation Controls
• Master Contrast Controls
245 Chapter 9 The Primary In Room