Green: Green ribbons or bandanas are often associated with dogs who are friendly and approachable. It signifies that the dog is open to interaction, petting, and socializing.
 
Introducing our Green Friendly Dog Bandannas: Inviting Signals for Sociable Canines. These vibrant green bandannas are designed to convey a message of friendliness and approachability. Green ribbons or bandanas have long been recognized as a symbol indicating that a dog is open to interaction, petting, and socializing.
 
Read more about the colour system here.