Effects > Colors > Invert
The Invert filter allows you to invert the color channels, Red → 255 - Red, Green → 255 - Green, Blue → 255 - Blue, Alpha → 255 - Alpha.
1. Do one of the following:
 Choose Effects > Colors > Invert
Click the Invert button
2. Use the following options:
  Invert Alpha Channel
This option allows you to invert the alpha channel. The alpha channel is used as an opacity channel. Opacity is the opposite of transparency. If something has an opacity value of 100%, that means it’s completely visible. An opacity value of 0% indicates that an object is completely transparent.
Using Preview Windows
Favorites and History
Related Information
Effects > Colors > Invert Lightness
Selection > Invert
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