0 used to describe a hair colour that is a mixture of brown and dark yellow or silver, or someone whose hair is this colour: --
I stopped dyeing my hair and went back to being a dishwater blonde.
The dishwater blond shade is a dark blonde or very light brown that tends to be cool in tone (silvery) rather than warm (golden).
She's very ordinary, shorter than average, with straight hair, dishwater blonde.
In real life, he is very striking, with dishwater blonde hair, piercing blue eyes, and a pearly white smile.