RGB? CMYK? Alpha? What Are Image Channels and What Do They Mean?
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by Eric Z Goodnight
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Published on Wed, 02 Feb 2011 13:00:27 +0000
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They’re there, lurking in your image files. But have you ever wondered what are image channels are? And what do they have to do with RGB and CMYK? Here’s the answer.
The channels panel in Photoshop is one of the most disused and misunderstood parts of the program. But images have color channels with or without Photoshop. Read on to find out what color channels are, what RGB and CMYK are, and learn a little bit more about how image files work
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