Võ phục not necessarily adopted by all practitioners, as evidenced throughout 1973-1990 when many practitioners under a separate development of Vovinam, the "Viet Vo Dao Federation," wore black uniforms. By 1990, however, after further meetings between councils, indigo had been adopted by the majority of Vovinam practitioners in and outside of Vietnam. Deep blue/indigo (Vietnamese: Lam) is now the internationally accepted color of Vo Phuc for Vietnamese martial arts. The "võ phục" of Vovinam are very similar, if not nearly identical, to the "keikogi" of Japanese martial arts. Both top and bottom of the uniform are constructed in much the same way
Vovinam suit. <nowiki> </nowiki>Blue stands for the factor of the sea, and the hope - the hope in being successful in learning Vovinam. With the following 3 exams yellow stripes are added to the blue belt. The 3rd yellow stripe is followed by the yellow belt. <nowiki> </nowiki>Yellow It symbolically stands for the skin color of Asian people. It symbolizes the "skin deep" internalization of the martial art and the philosophy. In other martial arts this belt is black. Therefore, a Vovinam student who carries a yellow belt is allowed to carry a black belt. This makes a comparison to other