Control the image's colour intensity by modifying saturation levels.

To modify the saturation level:

1. Indicate whether this is the initial or final primary grade:
   • To work on the initial primary colour grade, click Input.
   • To make final adjustments to the primary colour grade, click Output.
2. Modify the saturation:
   • To increase the saturation in the image, drag the Saturation slider up.
   • To decrease the saturation in the image, drag the Saturation slider down.