

The highlight color change also is shown when selecting data, entries, and segments in apps like Activity Monitor or Numbers too: This impacts the highlight color for selecting text and blocks in any app with text selection, be it a web browser, word processor, or Quick Look, like so: Near the top of the panel pulldown the menu next to “Highlight color:” and pick the color to change to.

Go to the Apple menu and go to “System Preferences”.The Highlight Color setting is in the open but easily overlooked: How to Change the Highlighting Text Selection Color on Mac Aside from picking a color that better suits your preferences, changing the highlight color can also be helpful in conjunction with the Increase Contrast option in Mac OS X as well as Dark Mode to make user interface elements a bit obvious in modern versions of the Mac operating system.
