Precise Color Cast Correction With Gray Fill Layers

Some people are so clever, this tutorial is really great, such a simple idea as a way to get accurate colour balance, the only requirement is that somewhere in your image there must be something that is 50% grey so not much good with a red rose.

“Neutralizing a color cast can be one of the most difficult jobs in post-production. The problem I most often have is realizing that my image has a color cast, but not being able to identify which color is causing the cast! Is it magenta or red? Blue or cyan?

This simple tutorial solves this problem by finding neutral gray in the image, thereby removing the need to guess the color. In order for this trick to work however, your image MUST contain 50% gray tone somewhere in the image; otherwise the color correction will be off.”

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