Why does orange hair seem to be so popular lately in cartoons an anime ?

Animes

Orihime (Bleach)

Nami (One Piece)

and many others but I don’t know there name and forgot what anime there from

Cartoons

that one girl from ben ten

Dexter’s mom

Jimmy’s mom

Timmy’s mom

those kids from the Replacements

Franky from Foster’s home for imaginary friends

and many others but I’m too lazy to think hard right now