In the entire world, カラー (Collar 
, Karrer 
, カラー) is a very rare gender-neutral forename. The given name カラー is habitual in Eastern Asia, particularly China, where it is an extremely rare masculine name. More prevalently, カラー is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Collar | Switzerland, Argentina, United States, Germany, Paraguay |
| Karrer | Spain, Switzerland, United States, Germany, Austria |