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Lesson 13. Preparing Images for Two-Colo... > Using channels to change color to gr...

Using channels to change color to grayscale

Sometimes it’s possible to improve the quality of an image by blending two or more color channels. For instance, one channel in an image may look particularly strong, but would look even better if you could add some detail from another channel. In Photoshop, you can blend color channels with the Channel Mixer command in either RGB mode (for on-screen display) or CMYK mode (for printing). For more information on color modes, see Lesson 19, “Setting Up Your Monitor for Color Management.”

In this lesson, you’ll use the Channel Mixer command to improve the quality of an RGB image that you’ll then convert to grayscale mode. But first, you’ll use the Channels palette to view the different channels in the image.


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