. When tennis started to be televised in color in the late 1960s, it was hard for viewers to track the ball on their screens, so the ITF came up with the bright greenish-yellow to make it easier on their eyes.
They're rare today, but according to ITF , white tennis balls are technically still allowed—a relic of pre-TV times.
Tennis balls are balls about 4 inches tall and 4 inches wide
that are used in the game of tennis. They are usually made from
rubber with a yellow/green peach fuzz on them. They bounce fairly
high and do not use a pump for air unlike basketballs and other
Tennis balls are not generally yellow. They are usually
A tennis ball can become yellow if it is left out in the sun for
a very long time (months and months), and will turn yellow due to
If you open a new can of tennis balls and leave them in the can
without using them, it can take a week for the tennis balls to have
a significant loss in their bounce.
If you are using tennis balls daily, then it can be a matter of
a couple of weeks to around three weeks until the tennis balls lose
their bounce completely.