There are a multitude of colors that your USB ports may come in, and they all have a specific meanings, with Yellow hinting ...

Another annoying Blue Screen error is BUGCODE_USB_DRIVER. This error is occurred due to an issue with the usbhub.sys, winusb.sys or usbport.sys system driver file ...

A blue USB port means a USB 3.0 port that transfers ... only charge a connected device but continue to do so even when the computer is turned off. However, its data transfer speeds may be lower ...

Black and blue USB ports are the most common colors utilized ... If you see an orange USB port on a computer for example, it means it's capable of providing power to a device plugged into it ...