In the first contest the Auto Color has been the champion. However, if you are not discouraged, let's try to adjust tone manually.
- Open an image to your choice.
- Pull down "Image > Adjustments > Brightness/Contrast..."
- In the dialog box, adjust the image by moving the sliders
one by one. As you can see, the Brightness slider
changes overall image tone, while Contrast brightens
the image highlight areas and darkens the shadows areas. In many
cases, adding some contrast makes your images stronger; however,
too contrasting image may loose some important detail in the shadows
- Close the image without saving changes.
Brightness/Contrast is the easiest, but not the best method of tonal adjustment in Photoshop. Let's continue