Operation Manual

Adjusting the Tonal Curve of the Green Color Channel
You adjust the tonal curve of the green color channel when you want to remove green
and magenta color casts in the image.
Before Green Curves adjustment After Green Curves adjustment
EffectGreen adjustment
Adds magenta to the shadows, removing green.Move tonal curve down in the
shadows
Adds green to the shadows, removing magenta.Move tonal curve up in the
shadows
Adds magenta to the midtones, removing green.Move tonal curve down in the
midtones
Adds green to the midtones, removing magenta.Move tonal curve up in the
midtones
Adds magenta to the highlights, removing green.Move tonal curve down in the
highlights
Adds green to the highlights, removing magenta.Move tonal curve up in the
highlights
553Chapter 17 Making Image Adjustments