platinum blonde

US /ˌplæt.ɪ.nəm ˈblɑːnd/
UK /ˌplæt.ɪ.nəm ˈblɑːnd/
"platinum blonde" picture
1.

a very light, silvery-blonde hair color, often achieved through bleaching

:
She decided to dye her hair platinum blonde for a bold new look.
Marilyn Monroe was famous for her iconic platinum blonde hair.