Consumers are often misled by these color schemes. Alexisaj/Shutterstock We may receive a commission on purchases made from links. Have you ever looked at a USB connector or port and wondered, "why is this purple instead of blue or black?" It's not because the manufacturer wanted to help you organize your cables by hue. Rather it's about speed and charging capacity. Purple USB-C connectors are a particularly interesting case, because the color can mean more than one thing. Before I explain, here's a quick anecdote. I once tested an Honor Magic4 Pro smartphone that came with a 100 watt charger...