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3. Corrections: Improvements on Reality > 3.6. Changing Image Colors

Changing Image Colors

Occasionally, you’ll asked to change the color of one single object within an image. If you are changing the color of an image to an entirely different color than the original image color, the first thing you should do is have a look at the individual colors to see which color channel has the most information and shape. If the image is green, the dominant color will be the cyan or yellow. If I were asked to turn the image into a red, the bulk of my correction would use information from the cyan or yellow channels. So let’s say we needed to change the color of our lizard. You can see in Figure 3-47 that the cyan channel has a great deal of information.

In the case of a green lizard, the cyan channel has the most information

Figure 3-47. In the case of a green lizard, the cyan channel has the most information


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