<P> This is a partial list of awareness ribbons . The meaning behind an awareness ribbon depends on its colors and pattern . Since many advocacy groups have adopted ribbons as symbols of support or awareness, ribbons, particularly those of a single color, some colors may refer to more than one cause . Some causes may be represented by more than one ribbon . </P> <Table> <Tr> <Th> Ribbon </Th> <Th> Color </Th> <Th> Meanings </Th> </Tr> <Tr> <Td> </Td> <Td> Pink ribbon </Td> <Td> <Ul> <Li> Breast cancer awareness . </Li> </Ul> </Td> </Tr> <Tr> <Td> </Td> <Td> Red ribbon </Td> <Td> <Ul> <Li> HIV / AIDS awareness </Li> <Li> Substance - abuse awareness (Red Ribbon Week is commonly held in American schools .) </Li> </Ul> </Td> </Tr> <Tr> <Td> </Td> <Td> Maroon ribbon </Td> <Td> <Ul> <Li> Multiple myeloma awareness </Li> </Ul> </Td> </Tr> <Tr> <Td> </Td> <Td> Orange ribbon </Td> <Td> <Ul> <Li> Leukemia awareness </Li> <Li> Multiple Sclerosis awareness </Li> </Ul> </Td> </Tr> <Tr> <Td> </Td> <Td> Yellow ribbon </Td> <Td> <Ul> <Li> Traditional (in the U.S. and in Canada) symbol of support for military forces, especially those deployed overseas and in conflicts . </Li> <Li> Suicide awareness </Li> <Li> Endometriosis awareness </Li> <Li> Rural Fire Service Queensland - A symbol of unilateral support of Rural Fire Brigades across the state of Queensland Australia (instituted by the Rural Fire Brigades Association Queensland (RFBAQ) at Rockhampton 16 September 2012 and tabled in Hansard by the Newman LNP Government 14 October 2014 "Matters of Public Interest 3311") </Li> <Li> Protest against imprisonment of Catalan independence movement leaders . </Li> </Ul> </Td> </Tr> <Tr> <Td> </Td> <Td> Lime green ribbon </Td> <Td> <Ul> <Li> Non-Hodgkin lymphoma awareness </Li> </Ul> </Td> </Tr> <Tr> <Td> </Td> <Td> Jade ribbon </Td> <Td> <Ul> <Li> Jade Ribbon Campaign awareness about hepatitis B and liver cancer </Li> </Ul> </Td> </Tr> <Tr> <Td> </Td> <Td> Blue ribbon </Td> <Td> <Ul> <Li> Showing support of freedom of speech, press, and freedom of association online . Proposed by Electronic Frontier Foundation in a 1996 campaign for protesting against Internet censorship . </Li> </Ul> <Ul> <Li> Canada's National Non-Smoking Week </Li> <Li> "Stand With ACLU" initiative </Li> </Ul> </Td> </Tr> <Tr> <Td> </Td> <Td> Purple ribbon </Td> <Td> <Ul> <Li> During President Donald Trump's State of the Union address, January 30, 2018, Democratic Senators wore purple ribbons to raise awareness of the opioid crisis . </Li> <Li> Month of the Military Child, Celebrating Military Kids </Li> <Li> Spirit Day and victims of homophobia </Li> <Li> Awareness of interpersonal violence and abuse prevention </Li> <Li> Epilepsy awareness </Li> </Ul> </Td> </Tr> <Tr> <Td> </Td> <Td> White ribbon </Td> <Td> <Ul> <Li> A global symbol for men and boys working to end male violence against women and girls . </Li> <Li> A symbol of distrust to the official results of 4 December 2011 elections to the Russian State Duma </Li> </Ul> </Td> </Tr> <Tr> <Td> </Td> <Td> Black ribbon </Td> <Td> <Ul> <Li> Typically a sign of mourning, or otherwise in memoriam </Li> <Li> Awareness of POW / MIAs </Li> <Li> Anti-violence campaign in New Zealand . </Li> <Li> Black Ribbon Movement of medical professions and medical students against the appointment of military officers to positions within Ministry of Health in Myanmar (Burma) in August 2015 . </Li> </Ul> </Td> </Tr> <Tr> <Td> </Td> <Td> Zebra - print ribbon </Td> <Td> <Ul> <Li> Rare - disease awareness </Li> </Ul> </Td> </Tr> <Tr> <Td> </Td> <Td> Houndstooth ribbon </Td> <Td> <Ul> <Li> Relief efforts in Tuscaloosa and northern Alabama following the 27 April 2011 tornado (The pattern evokes former University of Alabama head football coach Bear Bryant, an icon of the city and its area .) </Li> </Ul> </Td> </Tr> <Tr> <Td> </Td> <Td> Orange and black ribbon </Td> <Td> <Ul> <Li> Ribbon of Saint George; commemoration of World War II in post-Soviet countries </Li> </Ul> </Td> </Tr> <Tr> <Td> </Td> <Td> Red, white and blue ribbon </Td> <Td> <Ul> <Li> Used in Omaha, Nebraska, after a deadly shooting at Millard South High School (Matches to the school's colors) </Li> </Ul> </Td> </Tr> </Table> <Tr> <Th> Ribbon </Th> <Th> Color </Th> <Th> Meanings </Th> </Tr>

What do the purple ribbons stand for in congress