Open Photoshop and go to "File" > "New" to create a new document. To create a multichannel image with a profile in Photoshop, follow these steps: You convert from RGB to the multichannel mode and then from multichannel to CMYK as described in the following steps.Ĭontinue reading here: STEPS: Using the Multichannel Mode as an Intermediary Step But suppose, just as an experiment, that you want to bypass the color mapping and instead transfer the exact contents of the red channel to the cyan channel, the contents of the green channel to the magenta channel, and so on. The multichannel mode is generally an intermediary step for converting between different color modes without recalculating the contents of the channels.įor example, normally when you convert between the RGB and CMYK modes, Photoshop maps RGB colors to the CMYK color model, changing the contents of each channel as demonstrated back in Figures 4-16 and 4-17. They don't mix to create a full-color image instead, they exist independently within the confines of a single image. When you choose this command, Photoshop changes your image so that channels no longer have a specific relationship to one another. The one channel function I've so far ignored is Image ^ Mode ^ Multichannel.
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