For example ... (typically dark grey or black). You should be able to set the screen on your device to dark mode permanently (or at least until you want to switch it back to light mode), or ...

You can turn on dark mode on your Nintendo Switch through ... If you ever want to switch back to light mode, return to the Themes menu and pick Basic White. Read next Jump to ...

Looking to enable dark mode ... Switch has only ever had a Basic White and Basic Black theme since launch, with many expecting that more would be added over time. The Nintendo 3DS, for example ...