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Chapter 8. Understanding Colors and Channels > Using Multi-Channel Color Mode

Using Multi-Channel Color Mode

The Multi-Channel color mode is a specialized mode. Images converted into multi-channel color mode, converts the original color channels into shades of gray, with the grays based on the original luminosity values of the original image, and the original channels are converted into spot colors. Since multi-channel mode is used almost exclusively by the printing industry, converting a CMYK image into multi-channel color mode, produces Cyan, Magenta, Yellow, and Black spot channels, and converting an RGB image produces Red, Green, and Blue spot channels.

Use the Multi-Channel Color Mode

Open an image.

Click the Image menu, point to Mode, and then click Multi-Channel.

Photoshop converts the image into the Multi-Channel mode.

IMPORTANT Images converted to the multi-channel mode, must be saved in the DCS 2.0 format (Digital Color Separation). The DCS 2.0 format generates a separate file for each of the multi-channel's spot colors.


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