Are you like 12 or something? 
Imagine going all mental over a fictional character's sword.
Also the anime has made mistakes before, and it doesn't change the fact that everywhere else Aramaki's sword is black.
So for the time being until Oda himself says otherwise, Vivre Card and Digital Colored Manga>>>>>Anime.

Imagine going all mental over a fictional character's sword.

Also the anime has made mistakes before, and it doesn't change the fact that everywhere else Aramaki's sword is black.
So for the time being until Oda himself says otherwise, Vivre Card and Digital Colored Manga>>>>>Anime.
It's clear when you look closely at the "sword".


