you might find that some of your folders have a white folder icon, while others have a blue folder icon. For instance, if you’ve ever imported messages into Mail, they wind up stored in a white ...

You've long been able to customize folders in the Mac's Finder, but only with a lot of non-obvious fiddling. Now with macOS ...

For example, you may see a white color default icon instead ... them as they may interfere with the files or folders and corrupt the icons. It could be possible that the installed custom icon ...