On most smartphones, enabling grayscale is simple. The option can be found in system settings as a toggle, most commonly under display settings or accessibility options. Grayscale, as well as other ...

But I’ve found that whenever I return to color, even briefly, I am desperate to turn it off again as quickly as possible.

Using grayscale on an iPhone discourages picking up the phone during family time. I can activate the grayscale color filter using a Focus mode automation. Focus modes also allow you to set up a custom ...

My phone is in black and white — “grayscale,” as it’s officially known. I set the color filter of my screen this way almost nine months ago, and at this point, I don’t even notice it anymore. I only ...