Chroma Keying and Working with Green Screens >

# Creating a Key by Extracting a Single Colour with the Channel Keyer

You can extract one of the three primary colours (red, green, or blue), or a custom colour from the key-in clip. This method is useful for clips containing transparencies such as glass or smoke.

#### Topics in this section

- Extracting a Primary Colour
- Extracting a Custom Colour

#### Related Information

- Chroma Keying and Working with Green Screens