As we have been asked about the Japanese names for the belt colours
Shiro Obi: (白帯): White Belt
Aka Obi: (赤帯) Red Belt
Kiiro Obi: (黄色帯): Yellow Belt
Orenji Obi: (オレンジ帯): Orange Belt
Midori Obi: (緑帯): Green Belt
Ao Obi: (青帯): Blue Belt
Murasaki Obi: (紫帯): Purple Belt
Cha Obi: (茶帯): Brown Belt
Kuro Obi: (黒帯): Black Belt