Alpha Channel Masks effect tutorial in Photoshop. You use Alpha Channel to make and store selections that you make with the selection tools In this Photoshop tutorial, we are going to work in the Alpha Channel. We are going to make use of Alpha Channel for masking. In this tutorial, we are going to create a basic selection of and around a car and then mask that area on the image with an excellent complementary filter effect.
1. Open any image in Photoshop. This is the image we will be using for Alpha Channel Mask:
2. Draw in a selection using the Elliptical Marquee Tool.
3. Go to: Select > Modify > Feather Selection Set the Radius to 35 pixels.
4. Open the Channels Panel.
5. Click on Save Selection as Channel
Photoshop adds a new channel below the other channels and names it Alpha 1
6. Switch on the Alpha channel
You are now working on the Alpha channel. Notice how all other channels automatically switch off.
7. Deselect the selection.
8. Go to: Filter > Noise > Add Noise. Amount: 15%
9. Go to: Filter > Brush Strokes > Crosshatch.
Make the Following changes:
10. Press CTRL and click the channel thumbnail of Alpha channel.
11. Press CTRL + Shift + I to select inverse.
12. Set the Foreground and Background colors to White and Black, respectively.
13. Select Gradient tool and modify its settings as shown in the image below:
14. Go back to the Layers Panel.
15. Create a new layer.
16. Apply the gradient tool onto your image. Refer to the image below:
That’s it, babe.