How to Fix White Balance in Photoshop by Finding a 50% Gray Point

Here’s a great 2-minute video tutorial that teaches a technique for fixing white balance in Photoshop. The basic idea is that you can locate a 50% gray point in a photo even if you didn’t use a gray card during the shoot. Once you identify a suitable point, you can use that Gray point in your Curves tool instead of simply selecting a Black point and a White point (a more basic color correction technique that may not work as well).