Rank in Judo judo association. For a rank to be recognized, it must be registered with the national judo organization or the Kōdōkan. In Japan, the use of belt colors is related to the age of the student. Some clubs will only have black and white, others will include a brown belt for advanced kyū grades and at the elementary school level it is common to see a green belt for intermediate levels. In Europe the belt system is white, yellow, orange, green, blue, brown and black for both senior and junior practitioners. Judokas who have attained the 6th Dan may also use
Orange (colour) the colour of transformation. A wide variety of colours, ranging from a slightly orange yellow to a deep orange red, all simply called saffron, are closely associated with Hinduism and Buddhism, and are commonly worn by monks and holy men across Asia. In Hinduism, the divinity Krishna is commonly portrayed dressed in yellow or yellow orange. Yellow and saffron are also the colours worn by sadhu, or wandering holy men in India. In Buddhism orange (or more precisely saffron) was the colour of illumination, the highest state of perfection. The saffron colours of robes to be worn by monks were