The colour of the kimono does not represent anything in BJJ. There are also no kimono restrictions at Jiu-Jitsu Republic as long as it is a BJJ or judo kimono, so feel free to get any colour you like the look of. Traditionally though, the main colours of kimonos in BJJ are white, royal blue and black. These are the only kimonos that are competition legal so if you wish to compete at some stage in the future it is advisable to stick to these colours.