Pink Ribbon : 
Meaning: Most commonly associated with breast cancer awareness, this ribbon is also a symbol for birth parents, and childhood cancer awareness 

Purple Ribbon : 
Meaning: This color is a symbol of pancreatic cancer, testicular cancer, thyroid cancer, domestic violence, ADD, alzheimer's, religious tolerance, animal abuse, the victims of 9/11 including the police and firefighters, Crohn's disease and colitis, cystic fibrosis, lupus, leimyosarcoma, and fibromyalgia

Teal Ribbon : 
Meaning: This color is a symbol for ovarian, cervical, and uterine cancers as well as sexual assault, polycystic ovarian syndrome, and tsunami victims

Orange Ribbon : 
Meaning: This color is a symbol of leukemia, hunger, cultural diversity, humane treatment of animals, and self-injury awareness

Black Ribbon : 
Meaning: This color is a symbol of skin cancer awareness