How is the color of a referee's uniform defined, in soccer matches, when they aren't wearing all black? - Quora
![Amazon.com: Referee Jersey Bundle, Men's Soccer Referee Uniform Short Sleeve Pro Referee Soccer Jersey Perfect for Basketball Football Sports - Includes Referee Jersey and Shorts(Black,S) : Sports & Outdoors Amazon.com: Referee Jersey Bundle, Men's Soccer Referee Uniform Short Sleeve Pro Referee Soccer Jersey Perfect for Basketball Football Sports - Includes Referee Jersey and Shorts(Black,S) : Sports & Outdoors](https://m.media-amazon.com/images/I/51KqsZI5UTL._AC_SX569_.jpg)
Amazon.com: Referee Jersey Bundle, Men's Soccer Referee Uniform Short Sleeve Pro Referee Soccer Jersey Perfect for Basketball Football Sports - Includes Referee Jersey and Shorts(Black,S) : Sports & Outdoors
![Amazon.com: Referee Jersey Bundle, Men's Soccer Referee Uniform Short Sleeve Pro Referee Soccer Jersey Perfect for Basketball Football Sports - Includes Referee Jersey and Shorts(Black,S) : Sports & Outdoors Amazon.com: Referee Jersey Bundle, Men's Soccer Referee Uniform Short Sleeve Pro Referee Soccer Jersey Perfect for Basketball Football Sports - Includes Referee Jersey and Shorts(Black,S) : Sports & Outdoors](https://m.media-amazon.com/images/I/51v3QtY30rL._AC_UY1000_.jpg)