Here are some awareness colors that have been used in jewelry (typically bracelets) to signify certain diseases and other societal concerns. Colors that are recognized as being associated with particular issues can help raise public awareness of those issues, which can lead to increased funding of related research and charitable organizations. (This list does not attempt to be complete, and some colors may change in designation over time.)

Cancer Awareness

Black - Melanoma

Blue - Prostate Cancer

Burgundy - Multiple Myeloma

Clear - Lung Cancer

Dark Blue - Colon Cancer

Gold - Childhood Cancers

Grey - Brain Cancer

Kelly Green - Kidney cancer

Lavender - General Cancer Awareness

Lime Green - Lymphoma

Orange - Leukemia

Peach - Uterine Cancer

Pink - Breast Cancer

Purple - Pancreatic Cancer

Teal - Ovarian Cancer

Teal and White - Cervical Cancer

Other Diseases

Blue - Chronic Fatigue Syndrome, Arthritis, Distonia, Interstitial Cystisis, Reye's Syndrome

Gray - Aphasia, Allergies, Asthma, Brain Tumor, Diabetes, Mental Illness, Multiple Sclerosis, Emphysema, Parkinson's Disease, Lung Disease

Green - Childhood Depression, Kidney Transplant, Depression, Lyme Disease

Light Blue - Scleroderma, Gastroesophageal Reflux Disease, Graves Disease

Light Blue or Purple - Irritable Bowel

Orange - Leukemia, Reflex Sympathetic Dystrophy

Pink - Hodgkin's Disease

Purple - Alzheimers, Colitis, Crohn's Disease, Cystic Fibrosis, Fibromyalgia, Macular Degeneration, Pulmonary Hypertension, Lupus, Rhett Syndrome, Sarcoidosis

Red - Aids, HIV, Heart Disease

White - Retinoblastoma

Yellow - Liver Disease, Endometriosis, Spinal Bifida

Other Conditions

Burgundy - Cesarean Section, Headache

Gray - Disabled Children

Orange - Self-Injury

Other Issues

Black - Gang Prevention, Mourning

Black and White - Remembering the Dead

Blue - Education, Victims Rights, Water Quality

Burgundy - Hospice Care

Green - Environment, Genocide in Darfur, Mental Retardation, Organ Donation, Tissue Donation, Worker Safety

Light Blue - Eating Disorders, Legality of Abortion, Tsunami Tragedy

Light Blue or Teal - Sexual Assault, Substance Abuse

Orange - Cultural Diversity, Hunger

Olive Green - Support for U.S. Troops

Purple - Domestic Violence, Foster Care

Red - D.U.I., Military Families

White - Child Exploitation, Peace, Anti-Abortion Legality

Yellow - Missing Children, Suicide

Organizations

Gray - YOPA (Young Onset Parkinson's Association)

Red - D.A.R.E.