In the 'Choose your color' dropdown list, choose Custom. Windows 10's dark app mode is easier on the eyes at night, but there's no easy option to automatically enable it at night-unlike macOS Mojave's dark theme.Instead, you can automatically turn it on and off with scheduled tasks. If you often switch between Windows 10 dark mode and the standard bright settings, the process via the registry is rather cumbersome. Method 1: Enable Windows 10 dark theme from the Settings app. But without the add-on, TB is only 'light' if the default app mode is Light.
That can be useful in low-light conditions, like when working at night, and it can be equally great for users who prefer black instead of white. To turn on the Dark theme, go to Settings > Personalization > Colors.
