Levels, Curves, and Color

Better understand Photoshop levels and curves and Photoshop color correction in this free lesson.

Levels adjustment tips

Here are a few tips for getting the best results with levels:

Note that the histogram will be unique for every image. If an image has the proper exposure, the histogram will be complete, with no data missing—moving the black and white sliders in this situation would cause clipping. Instead, you can use the middle (gray) slider to increase or decrease the overall brightness.

Screenshot of Adobe Photoshop CC