What do you mean tennis balls are yellow? I always thought they were green? http... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

cody_ellingham 80 days ago | parent | context | favorite | on: David Attenborough's 100th Birthday

What do you mean tennis balls are yellow? I always thought they were green? https://en.wikipedia.org/wiki/Tennis_ball#/media/File:Closeu...

probabletrain 80 days ago [–]

They're officially yellow. Many people (~50% in my experience) perceive this colour as green though.

> Tennis balls are fluorescent yellow in professional competitions

https://en.wikipedia.org/wiki/Tennis_ball

DANmode 80 days ago | [–]

Yellow and green are shown in the linked image.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact