How to select and copy channels
This is to completely change the outlook of a photo. For instance to make a colored photo into a black and white one.
- Choose „Window” channel
- Get and drag the „Blue” Channel straight into to the new channel icon, this way you will duplicate it.
- Do a Ctrl + L to have „ Levels” opened up and work with the black and white sliders to create the area which will change color.
- Add a Curves Adjustment Layer to add a mask which you will be able to color.
- With the „Brush” tool you can easily make the selected area to any color.