Just like the iPhone and iPad, MacBooks ship with several great accessibility features, including a built-in grayscale mode. If you want to switch to a black-and-white screen on your Mac, just follow the instructions below.
If you have poor or impaired vision, the grayscale feature can be particularly helpful. In this mode, you won't be distracted by the colorful images on the Retina display, and therefore, have a more focused workspace.
Plus, if you pair grayscale with macOS Mojave's dark mode, it's even better!
You can switch to grayscale mode in System Preferences. Click the Apple button in the menu bar, and then select "System Preferences."
Here, click "Accessibility."
Next, click "Display" in the sidebar.
If your computer is running macOS Catalina or newer, click the "Color Filters" tab.
Next, select the "Grayscale" option from the "Filter Type:" drop-down menu, and then click the checkbox next to "Enable Color Filters" to enable it.
Your Mac display now switches to a black-and-white view.
If your machine runs macOS Mojave or earlier, the steps are slightly different. From the Display menu in Accessibility, click the checkbox next to the "Use Greyscale" option to enable it.
If you have challenges with your eyesight, you might also prefer Siri to read aloud articles on your Mac screen.