Individually alter the gamma of red, green and blue channels. Gamma is weighted toward the midtones of the image, and will change the midtones the most, with a more minimal impact on the highlights and shadows.
- Red: Raises or lowers the red levels in the image, especially in the midtones.
- Green: Raises or lowers the green levels in the image, especially in the midtones.
- Blue: Raises or lowers the blue levels in the image, especially in the midtones.