Photoshop allows you to change the levels of colors within an image. For example, the original image below has too much green tint to it; afterwards, the green has been reduced and the colors are more true.
Original Image
Color Balanced ImageHow do I adjust the color balance?
To adjust the color balance of a photo:
1) Pull down the Layer menu.
2) Point to New Adjustment Layer. (This option will create a layer for your enhancements so the original image remains intact.)
3) Click on Color Balance:
The Color Balance dialog box will appear:
4) Check the Preview check box. This option will show you your adjustments before you finalize them.
5) Adjust the color levels using either the slider bars or by changing the numericals values.
Credit to Dr. Mary Nicholson
