Display settings for your Mac
Match the light in your surroundings. Your MacBook Air has a Retina display with True Tone capability. True Tone technology automatically adapts the color of your display to match the light in your environment for a more natural viewing experience. Turn True Tone on or off in the Displays pane of System Preferences.
Use a dynamic desktop. When you use a dynamic desktop picture, the desktop picture automatically changes to match the time of day in your current location. Click Desktop & Screen Saver in System Preferences, click Desktop, then choose a picture for Dynamic Desktop. To have your screen change based on your current time zone, enable Location Services. If Location Services is turned off, the picture changes based on the time zone specified in Date & Time preferences.
Stay focused with Dark Mode. You can use a dark color scheme for the desktop, menu bar, Dock, and all the built-in macOS apps. Your content stands out front and center while darkened controls and windows recede into the background. See white text on a black background in apps such as Mail, Contacts, Calendar, and Messages, so it’s easier on your eyes when you’re working in dark environments.
Dark Mode is finely tuned for professionals who edit photos and images—colors and fine details pop against the dark app backgrounds. But it’s also great for anyone who just wants to focus on their content.
Connect a display. See Use an external display with your MacBook Air.