USB Port

What is the meaning of the different USB port colors? (blue, teal blue red usb slot Red or Yellow USB connector red canyon slot NZXT Gamma Classic Black · Asus Xonar D1 · Rosewill 1KW on 240V@60hz · Logitech MX518 Legend · Red Dragon K552

red 7 slot Red, Yellow and Orange = Charging Socket The colors red, yellow or orange do not indicate a USB standard, but an additional function Namely,