Here’s how to set up your iPad to easily invert your colors:
- Go to Settings > General.
- Choose Accessibility, toward the top of the General screen.
- Scroll down to the bottom of the Accessibility screen and choose Accessibility Shortcut.
- Select Invert Colors.
- Test by pressing your Home button (on the front of your iPad) three times in quick succession.
- To return to normal colors, simply press the Home button three times again.