Why Is The Color Of A Football Goalkeeper's Clothes Different From Others?

There are two reasons in total: firstly, the goalkeeper is the only player on the field who can play the ball with his hands. For the convenience of the referee's judgment. The second reason is that the goalkeeper needs to perform actions such as saving with his head and chest, so the clothes should have good protection.
Team equipment:
1. The rules stipulate that team members are not allowed to wear any equipment that endangers other team members.
2. The usual equipment for team members is a jersey, shorts, socks, shin guards, and sneakers. Football shoes can only be training shoes made of canvas or soft leather, and the sole should be made of rubber or other similar materials. Players must wear sneakers when playing.
3. Players must have a number on their jerseys, and members of the same team are not allowed to use the same number.
4. Goalkeepers can wear long pants, and the color of their jersey should be clearly different from other players and referees.
5. The leg guards should be made of protective materials (rubber, plastic, polyurethane, or other similar materials) and wrapped in ball socks.