They can come in any color. If you order it online, then they can be any color. They are usually white or blue it your dojo gives it to you, though.
No
Yes, they do have uniforms. but, their uniforms are white and green in color and traditional costumes.
traditional jujitsu from japan and Brazilian jujitsu from Brazil
The primary color of the basketball home team's uniforms is blue.
Blue
Blue.
Union uniforms were blue; Confederate uniforms were gray.
Grey
whitish gray
Home uniforms were white with blue lettering and trim, road uniforms were gray with blue lettering and trim.
The color of WW2 RAF uniforms is actually the result of the weave of three colors of yarn, not an actual dyed color. This applies to both the serge wool used on the Other Ranks uniforms as well as for the barathea wool used in officer uniforms. SInce it's not a solid color, there is no particular dye color that will replicate it.
Jujitsu first originated in the country Japan.