In current mobile phones and laptops, we can often see USB-C port charger and USB-C charging cables. Sometimes when we choose Type-c cables, we can often see that the ports have different colors. You know how are the colors different between ports and how are specific standards identified?

【Black or white】
Represents USB 1.0, 2.0

【Blue】
Represents USB3.0

【Teal】
Represents USB 3.1

【Green】
Represents support for QC charging

【Purple】
Represents support for Huawei fast charging

【Yellow or Red】
Represents high current or this port supports charging when the computer is turned off
【Orange】
Only the female port has, mainly used for industrial equipment.

The colors of these different interfaces are mainly to increase the recognition of the product.