Rendering menu > Effects > Environment and Effects dialog > Effects panel > Add > Add Effect dialog > Color Balance
The Color Balance Effect allows you to manipulate additive/subtractive color tinting through independent control of RGB channels.

The Color Balance Parameters rollout contains the following parameters:
Cyan/Red—Adjusts the red channel.
Magenta/Green—Adjusts the green channel.
Yellow/Blue—Adjusts the blue channel.
Preserve Luminosity—When on, retains the luminosity of the image while correcting the color.
Ignore Background—When on, allows you to image correct a model without affecting the background.