Photoshop

Select and edit channels

You can select one or more channels in the Channels palette. The names of all selected, or active, channels are highlighted.

Selecting multiple channels

A.
Not visible or editable

B.
Visible but not selected for editing

C.
Selected for viewing and editing

D.
Selected for editing but not viewing

  • To select a channel, click the channel name. Shift-click to select (or deselect) multiple channels.
  • To edit a channel, select it and then use a painting or editing tool to paint in the image. You can paint on only one channel at a time. Paint with white to add the selected channel’s color at 100% intensity. Paint with a value of gray to add the channel’s color at a lower intensity. Paint with black to fully remove the channel’s color.