In many dog training and rescue communities, red collars or leashes serve as a visual warning: “This dog needs space.” It’s commonly used for dogs who are reactive, aggressive, fearful, or in training, and signals to others not to approach without permission.

So when the woman at the store said, “Only dogs that actually need a red collar should buy them,” she was likely referencing this informal but widely recognized color code. It’s not just about fashion—it communicates something important about the dog’s behavior.

Your roommate’s reaction makes sense too. If your dog, Pecan, is friendly and well-socialized, using a red collar could confuse others, causing them to avoid your dog unnecessarily or misread her temperament. In some circles, it might even be seen as disrespectful—as if you’re misusing a safety signal.

Here’s a quick guide to common leash/collar colors:

• 🔴 Red – Needs space / Do not approach

• 🟡 Yellow – Nervous / Caution

• 🟢 Green – Friendly

• 🟣 Purple – Do not feed

• ⚪ White – Deaf or blind dog

• 🔵 Blue – Working/service dog

What should you do?
If you just liked the red color, consider picking a similar shade (like maroon or orange) that doesn’t carry the same meaning. While there’s no rule against using red, being aware of these signals shows respect and awareness in dog-friendly spaces.