Blue spots on the retina display
MacBook Pro TouchBar and Touch ID, macOS High Sierra (10.13.6)
Welcome to the Apple Support Communities!
I understand you are seeing some blue spots on the display of your MacBook Pro. You may need to have an Apple Genius or an Apple Authorized Service Provider take a look at your computer to determine what is causing this. Click on the "Service and Support" section of the resource below to find one near you.
Find Locations - Service - Apple Stores and Apple Authorized Service Providers
Take care.
Blue spots on the retina display