A darkened environment is perfect for working on your Mac at night, without distractions from the background apps. Dark Mode is a system-wide implementation of an appearance that many apps already adopt, but what about apps that lack any dark styling? That's where an app called HazeOver by Pskov, Russia-based developer Maxim Ananov comes to light.
Power up Mojave’s Dark Mode & reduce background contrast with HazeOver for Mac