What Do Colored Bracelets Stand For In High School, The Girls Wear Different Colored Bracelets, What Does Black Stand For?

In High School, the girls wear different colored bracelets, what does black stand for? - what do colored bracelets stand for

My daughter has a black armband to school band and not lose weight. I've heard that the bracelets in different colors to different signals, such as red kiss a boy in May mean, so I really need an idea like this.