You can modify the individual color channels of an image using channel processing tools. These tools are in the Channel folder.
There are five channel processing tools:
| Tool: | Description: | 
|---|---|
| Channel Extract | Remove the red, blue, green, or alpha channel from an image—see Channel Extract Tool. | 
| Out of Range | Analyze the channels of an image based on a specified thresholds—see Out of Range Tool. | 
| Channel Replace | Remap the channels in one image by those in another image—see Channel Replace Tool. | 
| Channel Rewire | Copy component values of an image to component values of an output image—see Channel Rewire Tool. |