Color the World Orange Day

United States, Canada, United Kingdom, Australia, New Zealand, India, South Africa, Mexico, Brazil, Argentina, France, Germany, Spain, Italy, Netherlands, Sweden, Norway, Japan, Philippines, Kenya

About

Color the World Orange Day, observed on November 2, raises awareness of complex regional pain syndrome (CRPS), a chronic pain condition that can develop after an injury or medical procedure. The observance helps bring attention to the serious physical and emotional challenges people living with CRPS may face, while encouraging greater understanding and compassion.

Supporters mark the day by wearing orange, displaying orange ribbons, sharing educational resources, and listening to the experiences of those affected. By helping more people recognize the signs and impact of CRPS, Color the World Orange Day promotes empathy, informed support, and hope for individuals and families navigating this often-misunderstood condition.

History

Color the World Orange Day is observed annually on **November 2** to raise awareness of Complex Regional Pain Syndrome (CRPS), a chronic pain condition that can develop after an injury, surgery, or other physical trauma. The condition may cause intense, persistent pain as well as changes in skin color, temperature, swelling, and sensitivity. Because CRPS is not always widely understood, the observance helps explain its symptoms and the serious effects it can have on daily life.

The campaign is associated with organizations and advocates working to improve recognition of CRPS and related conditions. Its use of orange reflects the color commonly connected with CRPS awareness. By inviting people to wear orange, illuminate buildings, share educational material, or participate in community activities, the observance creates a visible way for patients, families, clinicians, and supporters to stand together.

Over time, Color the World Orange Day has developed beyond a simple clothing-based awareness effort. Social media campaigns, public displays, fundraising activities, and personal testimony have helped broaden its reach. These activities encourage earlier recognition of symptoms, support research into causes and treatments, and draw attention to the emotional, financial, and social burdens that can accompany long-term pain.

Culturally, the observance gives people living with an often-misunderstood illness an opportunity to be seen and heard. **November 2** serves as a focal point for conversations about invisible disabilities, compassionate medical care, and the importance of believing patients’ accounts of pain. Although orange is the day’s most visible symbol, its larger purpose is education, solidarity, and advocacy for better diagnosis, treatment, and support for those affected by CRPS.

Timeline

1864
U.S. Army surgeon Silas Weir Mitchell and colleagues published observations of nerve injuries in Civil War soldiers and used the term “causalgia” for the characteristic burning pain syndrome now associated with complex regional pain syndrome (CRPS).
1900
German surgeon Paul Sudeck described the painful regional bone atrophy later called Sudeck atrophy, a condition historically linked with what became known as reflex sympathetic dystrophy and CRPS.
1994
The International Association for the Study of Pain introduced the term complex regional pain syndrome in its classification, distinguishing CRPS type I from CRPS type II.
2010
A validation study of the Budapest diagnostic criteria for complex regional pain syndrome was published in the journal Pain, supporting criteria intended to improve CRPS diagnosis.

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