Using the Channels palette (Photoshop)


    The Channels palette lets you create and manage channels and monitor the effects of editing. The palette lists all channels in the image--composite channel first (for RGB, CMYK, and Lab images), then individual color channels, spot color channels, and finally alpha channels. A thumbnail of the channel's contents appears to the left of the channel name; the thumbnail automatically updates as you edit the channel.

    Illustration of Channels types with these callouts: A. Color channels B. Spot channels C. Alpha channels
    Channels types A. Color channels B. Spot channels C. Alpha channels

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