Before 1972, Tennis balls were white or black. When TV vi... | funfact.wiki | funfact.wiki
Before 1972, Tennis balls were white or black. When TV viewers struggled to see them on screen, naturalist David Attenborough suggested switching to yellow, and the International Tennis Federation officially adopted the color as "optic yellow."
The face on a Lego minifigure is yellow, and it isn't a design accident. When Lego created the minifigure in 1978, it deliberately chose a neutral color that wouldn't represent any specific ethnicity — and yellow became the official choice.