Dark Blue Ribbon : Meaning: This color is a symbol of arthritis, child abuse prevention, victim's rights, free speech, water quality, and water safety. Light Blue Ribbon : Meaning: This color is a symbol of childhood cancer (alternative color: pink), prostate cancer, Trisomy 18, and scleroderma. 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.