What is what color is a tennis ball?

The color of a tennis ball is traditionally yellow. More specifically, it's often described as "optic yellow" or "daylight fluorescent yellow". This bright color was adopted to improve visibility for players and spectators, especially on television. While <a href="https://www.wikiwhat.page/kavramlar/White%20Tennis%20Balls">white tennis balls</a> were used in the early days of the sport, the switch to yellow became widespread in the 1970s. Although less common, tennis balls can sometimes be <a href="https://www.wikiwhat.page/kavramlar/other%20tennis%20ball%20colors">other colors</a> like orange or red, particularly for junior tennis or on certain court surfaces to enhance visibility.