How to enable high contrast mode in Chrome OS
- Open the System menu.
- Click the Settings button.
- Open the Accessibility settings.
- Select Manage accessibility features.
- Enable high contrast mode.
- High contrast mode in action.
Why do Chromebooks have high contrast mode?
Invert Your Chromebook's Colors: High Contrast Mode And Other Accessibility Features. For users who are visually impaired or suffer from eye fatigue, Chrome OS offers a number of features to make your daily computing a little easier.