Facebook icon suddenly changed color, its a technical error

A few days ago, some users discovered that the Facebook and Messenger logos on their devices automatically changed from the traditional blue and white background to black.
A few days ago, some users discovered that the Facebook and Messenger logos on their devices automatically changed from the traditional blue and white background to black.
Facebook is currently the most popular app on the App Store as well as Google Play, but it is probably the most frequently used error app.