Board Thread:Theories and Speculation/@comment-1872728-20151019025302/@comment-26369387-20151021173431

Georgio722 wrote: Sharingan91 wrote: In the manga Rasengan is yellow! Quote: Trivia Rasengan Yeah, so why is it yellow in the manga? Is it because Naruto's chakra colour, or that the base chakra colour in the manga is yellow? In the manga, chakra is yellow. In the anime it was changed to blue, probably for animation-reasons.

Simple as that.