Select the layer, apply Effects>Channel>Invert. No need to pre-compose unless you want to – just put it below the Color Range Effect.

How do you invert in after effects?

4 Ways to Reverse a video clip in After Effects Open After Effects. Drag and drop your video on your timeline. In your timeline Right Click on your video layer. Scroll up to Time > Time-Reverse Layer. Shortcut PC : Ctrl+ Alt + R. Shortcut Mac: Command+Option+R. Your video should now play in reverse.

How do you Color invert?

Open your device’s Settings app . Tap Accessibility. Under Display, tap Color inversion. Turn on Use color inversion.