50% and its yellow thats because his father's genes for hair color and length are more dominant then kushina genes however genes determined both his physical features as well as mental tics came from his mother yes i study biologyall uzumakis are supposed to have red hair.. according to tobi thats their trait..
Naruto got orange idk , because he's either a 25 % uzumaki, or 50% :s
wat you think