Enable Dark Mode on Mac: Full Guide
To enable dark mode on a Mac, open System Settings (or System Preferences on older macOS versions), go to Appearance, and select Dark. This instantly changes the menu bar, Dock, and built-in apps to a darker color scheme, which can reduce eye strain in low-light environments and potentially save battery life on OLED displays.
What Is Dark Mode on Mac?
Dark mode is a display setting that uses a dark color palette for the user interface—windows, menus, and system controls—instead of the traditional light theme. Apple introduced dark mode in macOS Mojave (10.14) in 2018, extending the feature across the entire operating system. It is not merely a cosmetic change; it alters the appearance of built-in apps like Mail, Calendar, and Safari, and third-party apps can adopt it as well.
When enabled, dark mode changes the system-wide appearance to use darker backgrounds with lighter text. This reduces the amount of light emitted by the screen, which can be more comfortable for night-time use, reduce glare, and help maintain your circadian rhythm. On Macs with OLED displays (such as the newer MacBook Pro models), dark mode can also extend battery life because black pixels are turned off entirely.
How to Turn On Dark Mode
The steps vary slightly depending on your macOS version:
- macOS Ventura and later: Click the Apple menu () > System Settings > Appearance. Under the Appearance section, select Dark.
- macOS Monterey and earlier: Click the Apple menu () > System Preferences > General. Under Appearance, select Dark.
You can also toggle dark mode quickly from the Control Center (macOS Big Sur and later): click the Control Center icon in the menu bar, then click the Display toggle (the one that shows a sun/moon icon) to switch between light and dark modes.
Auto-Switch with Sunrise and Sunset
Instead of a fixed setting, you can have your Mac automatically switch between light and dark modes based on the time of day. In the same Appearance settings, choose Auto. The Mac will use your location to determine sunrise and sunset times. For this to work, you need to enable Location Services for System Services:
- Go to System Settings > Privacy & Security > Location Services.
- Ensure Location Services is enabled.
- Scroll down to System Services and click Details.
- Check the box for Setting Time Zone (this also enables sunrise/sunset detection).
If you don’t want to share your location, you can manually schedule dark mode by setting a custom time in the same panel—choose Custom and enter your preferred times.
Dark Mode for Individual Apps
Some apps have their own dark mode setting that overrides the system setting. For example, Safari can be set to use a dark reading view for articles, and Xcode has its own appearance options. To check if an app supports dark mode, look for an Appearance or Theme option in its Preferences or Settings. If an app doesn’t follow the system setting, it may have a dedicated dark theme you can enable manually.
For web pages, you can force dark mode in Safari by enabling the hidden experimental feature: go to Safari > Settings > Advanced, and check Show features for web developers. Then, in the Develop menu, select Force Dark Mode. This will render all web pages with a dark background, though it may not look perfect on every site.
Common Problems and Fixes
If dark mode isn’t working as expected, try these solutions:
- App doesn’t change: Some older apps may not support dark mode. Check for updates or look for an in-app appearance setting.
- Menu bar remains light: In some macOS versions, the menu bar may stay light if you have a wallpaper that forces a light appearance. Go to Desktop & Screen Saver settings and choose a dark wallpaper or disable the “Allow wallpaper to tint” option.
- Auto-switch not working: Ensure Location Services is enabled for System Services, and that your Mac’s time zone is set correctly.
- Dark mode causes eye strain: Some users find dark mode harder to read in bright environments. Consider using Auto mode to switch based on ambient light.
Dark Mode vs. Night Shift
Dark mode and Night Shift are often confused, but they serve different purposes. Dark mode changes the interface colors, while Night Shift adjusts the color temperature of the display to reduce blue light emission. Night Shift is designed to help you sleep better by making the screen warmer in the evening. You can use both simultaneously: dark mode for interface, Night Shift for color warmth. Night Shift is found in System Settings > Displays > Night Shift, where you can schedule it or turn it on manually.
Frequently Asked Questions
Does dark mode save battery on Mac?
On Macs with OLED displays (like the newer MacBook Pro models), dark mode can save battery because black pixels are turned off. On traditional LCD screens (most Macs), the backlight remains on regardless, so battery savings are negligible. In general, the impact is small compared to screen brightness.
Why doesn’t dark mode apply to all apps?
Third-party apps must be updated to support dark mode. If an app hasn’t been updated, it will remain light. You can check the app’s website for updates or look for a built-in dark theme option.
Can I set dark mode for only one app?
Yes, some apps have their own appearance settings. For example, Safari has a Reading View that can be dark, and Terminal can be configured with a dark profile. For other apps, you can use the app’s Preferences to see if it offers an independent theme option.
How do I turn off dark mode on Mac?
Go to System Settings > Appearance and select Light. Alternatively, use the Control Center toggle to switch back to light mode instantly.
Will dark mode affect the appearance of printed documents?
No, dark mode only affects the on-screen interface. Documents you print will use the default white background unless you manually change the page color in the app.
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