Channel Mixer

So far, most of the adjustments in this chapter have been relatively straightforward. You tell Photoshop what you want to change (midtones, highlights, and so on) and what direction to shift the colors. But the Channel Mixer is a different beast (Figure 8.76). It forces you to think about how Photoshop works behind the scenes. The Channel Mixer lets you literally mix the contents of the channels that show up in the Channels panel (Window > Channels).

Figure 8.76. The Channel Mixer dialog.

Choose Image > Adjustments > Channel Mixer and choose the desired channel from the Output Channel pop-up menu. Then move the Source Channels ...

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