Join Richard Harrington for an in-depth discussion in this video Creating a selection from a single channel, part of Photoshop: Selections (2013).
…A lot of times, you can look at an image, and see details right in the channels.…This can make it really easy to build out a…selection, by using the details that the image already has.…Remember, channels are going to really represent…the amount or presence of a particular color.…So if there's a high presence of blue in an…image, you'll see a lot of white in that channel.…Let me show you how this works.…In this image, I want to knock down the red areas a bit.…I'm finding them a bit dominant and distracting.…
So, I'll come over to Channels, and I'm going to select the Red channel.…Now in this case, the areas that are white have a lot of red in them.…If you look at the Green channel, and the…Blue channel, you kind of get an idea of what's happening.…Let's duplicate that channel…to make an initial selection.…And now I can press Cmd or Ctrl+ l to bring up the levels dialog.…This makes it easy for me to start to adjust.…And what I can do here, is really dial in the amount of red that's present.…
Using the sliders, I could essentially get it so that the red is becoming active.…
This course was created and produced by Rich Harrington. We're honored to host this content in our library.
- What are selections?
- Creating masks from selections
- Moving a selection
- Selecting with the Quick Selection tool
- Transforming a selection
- Using the Refine Edge command
- Selecting a color or tonal range throughout the image
- Making a selection with the Pen tool
- Saving a selection as an alpha channel
- Creating a selection from multiple channels with the Calculations command