USB port color code: Here is the meaning and function behind different colors

In general, Blue USB ports are typically USB 3.0 for high speed data transfer. Black ports which are commonly found in older devices point toward USB 2.0 while white ports are a symbol of fast speed and power delivery in new devices and are USB C. Red, orange, green, yellow, pink, gray purple and transparent USB ports are less commonly used and have indication towards custom configuration and proprietary uses.