Question: what are the belts in judo?
Answer: Kyu grades, also known as mu-dan-sha, are for beginners learning the art of Judo, which consists of 6 ranks starting with brown belt (Ikkyu), followed by blue belt (Nikyu), green belt (Sankyu), orange belt (Yonkyu), yellow belt (Gokyu), and lastly white belt (Rokyu).