Switch Between Light and Dark Mode in macOS Mojave With This Handy App
by David Murphy from Lifehacker on (#3V1HF)

Mac: Even though you probably shouldn't install a public beta of an operating system on your primary device-your laptop, in this case-go ahead. Give macOS Mojave a try. There are plenty of fun features you can play with, including the operating system's new dark mode (close to the top of my list).