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Why are tennis balls yellow?

2 Answers
ANSWER

Yellow and white are the only ball colors approved by the International Tennis Federation. Most tennis balls are a fluorescent yellow color known as optic yellow. This ball color was first introduced in 1972 following research that demonstrated that balls of this color were easier to see on TV.

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Most tennis balls are a fluorescent yellow known as “optic yellow” first introduced in 1972 following research proving they were more visible on television

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