Use the Saturation and Value window to easily adjust the saturation and value of an image layer. Please note that these changes happen only on the current layer.
Choose an Adjustment Type. The Adjustment type determines which range of color values will be modified. You may choose to modify:
Adjust the Saturation Factor and Value Factor sliders to update the image on the bottom left, for comparison with the original image at the top. The slider values can be negative. The defaults are 0.0.
The smaller the values (both positive and negative), the finer the adjustment.
