Vantage21st
The Levels Tool and Tonal Correction
Hue, Saturation & Lightness or HSL
After adjusting Levels, some images may benefit from either increasing or decreasing the saturation or richness of some or all colors. You use the HSL or Hue Saturation Lightness tool to adjust color saturation or intensity.
  1. Image > Adjustments > Hue/Saturation - This opens the HSL dialog box.
  2. You will see the word "Master" in the Edit field. This means that you will be adjusting either the Hue, Saturation or the Lightness for all colors in the image at the SAME time.
  3. Move the "Saturation" slider back and forth then return it to zero.


  4. Move the "Lightness" slider back and forth then return it to zero.
  5. Move the "Hue" slider back and forth then return it to zero.
  6. Adjust them all a bit at the same time then return all sliders to zero.
  7. The Saturation adjustment is the easiest to work with.
  8. The hue adjustment is more difficult to work with and in most cases is best left alone.
  9. The Lightness adjustment is straight forward and lightens or darkens the image.

Adjusting Hue Saturation for Specific Colors
You will now be adjusting the Saturation, Hue or Lightness for only the selected color. For example, if the saturation of all most colors in the image are good but red is a little weak, select Red in the Edit: drop down and increase the saturation to make the red richer and brighter.

  1. Image > Adjust > Hue/Saturation.
  2. Locate and open the Edit: drop down menu.
  3. Select a specific color like Red or Blue.


  4. Move the Saturation slider to adjust the saturation.
  5. Experiment with the Hue and Lightness sliders.
  6. Experiment with adjusting other colors.

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Revised November 2005

Copyright 1999, 2006 John Sedgwick
All rights reserved