Effects and Tools Reference > Auto Matte >

# Auto Matte Menu Settings

## General Settings

Minimum field
  Displays the minimum luma value considered to be part of the opaque area of the matte. Editable.

Maximum field
  Displays the maximum luma value considered to be part of the transparent area of the matte. Editable.

Gain field
  Displays a value, in percentage, that is multiplied to the pixel values in the resulting matte to reduce or increase the grey levels.