Vovinam adopted as the official color for Vovinam uniforms. A separate development of the "Việt Võ Đạo Federation" in 1973 until 1990 the uniforms' color was black. In the summer of 1990, Vovinam masters from around the world met at the International Vovinam-Viet Vo Dao Conference in California with the goal of creating a structured organization for Vovinam Việt Võ Đạo outside Vietnam (the International Vovinam-Viet Vo Dao Federation). One of the decisions was that the suit in Vovinam Việt Võ Đạo were now to be blue worldwide. The student begins with a cyan belt - the same color as his/her
Vovinam benevolent heart", the student is reminded of the main principle and the goal of Vovinam Việt Võ Đạo with every training. It is also about using the opponent's force and reaction, reaching maximum effect with comparatively little force. The term "Việt Võ Đạo" ("the way (Dao) of Viet Vo") was coined by the patriarch of the second generation of the Vovinam Viet Vo Dao, Le Sang, with the objective of adding a philosophical dimension to his martial art. This "Viet Vo Dao" consists of ten principles: (The wording can vary slightly between Vovinam schools) A "Việt Võ Đạo Federation" was