When you modify Saturation, Gamma, Gain, Offset, and Contrast, you can colour correct the shadows, midtones, and highlights ranges in the image individually or all together.
To colour correct shadows, midtones, or highlights:
Click: | To modify: |
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Shadows | Dark areas in the image. |
Midtones | Midlevel areas in the image. |
Highlights | Light areas in the image. |
Master | The entire image. Modification made in the Master range are applied after individual range modifications. |