At present, the interface of the charger has 9 colors, including white, black, blue, green, purple, orange and yellow.
First, I'll give you a dose of "centering needle". Whether it's a USB-C port charger or a USB-A port charger, the interface color is not a factor that affects the charging performance. The industry has not defined the interface color.
Different mobile phone manufacturers use different charging technology solutions, and accessory manufacturers can also use different combinations of charging technologies.
In order to differentiate their own products, manufacturers can choose a unique color for differentiation.