O'Reilly logo

Production for Print by Mark Gatter

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Adding Contrast

If you decide that, despite your calibration of all the highlights and shadows, the image still needs a bit of extra punch, you may want to add more contrast. Try to avoid using Image > Adjustments > Brightness and Contrast. In fact, it is better if you forget that particular tool completely, as it has a tendency to burn out what were previously light grays to white, and fill in dark grays to black. This is not, as you may think, what you do when you posterize an image. Posterizing is where you restrict the image to displaying a particular number of shades of gray. That is different—and very effective, although easily overused. The brightness and contrast adjustments will do that only at the top and bottom of the tonal range—which ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required