Byakko has saddle brown tan, golden tiger eyes with light blue sclerae and pink markings on his face as eyeliner and cheek markings, a long, wide white mane of hair with light blue tips on top, a purple tip at the bottom of the mane and shoulder bangs. a white kimono fitted with gold highlights resembling a cat's tear marks with matching forearm gloves. His kimono has gold lining with blue markings on the top chest area, a dark pink samurai waist armor under a multi-layered sky blue belt with a pink rope belt inside a gold tiger mouth buckle while the belt has two large pink and beige rope ends with light blue. Byakko wears a black bodysuit with gold lining under the kimono, white calf-length socks with six gold tiger stripes on each sock and black and gold shoes.
In his Genjuu form, Byakko is a white tiger with golden eyes, light blue sclerae and pink markings on his face as eyeliner around the eyes. His stripes are purple with light blue tips on the head mane, shoulder blades and tail tip.
The similarity of both forms is the pink feather-like earring on the right side.
Byakko is the Japanese name of the White Tiger of the West, also known as the King of Beasts, which is one of the Four Symbols based on mythological creatures in the Chinese constellations. It represents the west and the autumn season.