The way a person perceives color is based on the light reflection on the tennis ball and also the way your brain 'translates' wavelength into colors. So that should settle things once or for all ...

A recent poll conducted on X has brought to light a surprising phenomenon: a significant number of internet users are uncertain about the actual colour of tennis balls. The results of the poll ...

Tennis. Rafael Nadal ... they share a color, called optical yellow, which in 1972 was adopted by the ITF - hence the 'age' of the current ball. Before that, the balls were white or black depending ...