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# Colour Correcting Shadows, Midtones, and Highlights

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:

1. Select the luma range you want to modify.

   Click: | To modify:
   --- | ---
   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.

   NoteMonochrome, Negative, Chroma Suppression, and RGB Rewiring always affect the Master tonal range.