Green ranks 3,295 in the pet name registry, registered to 25 male pets in NYC and Seattle. It's a color name that operates differently from Blue, which is relatively common in pet naming — Green is the outlier, the one color that humans almost never receive as a name but pets somehow do.
Color names in pet naming: why Green is the odd one out
Blue is a well-established pet (and even human) name. Scarlett, Violet, and Hazel carry color associations with elegant feminine names. Rusty covers the orange-red end for dogs. But Green stands alone — it's never been a mainstream human name, and its pet-name appearances are genuinely rare. Twenty-five registrations across two of the largest American cities suggests Green is chosen deliberately, by owners who noticed the gap in the color-name canon and found it charming. There's a similar logic at work in names like Forest (green-adjacent through nature) or Dune (a color-landscape hybrid). Labrador Retrievers in their yellow-green-adjacent cream shades sometimes attract color-adjacent naming.
The surname possibility
Green is also a common English surname — the 36th most common in the United States — derived from the Old English "grene," originally describing someone who lived near a village green or whose complexion or clothing marked them as associated with the color. As a pet name, Green could equally be a surname-name in the vein of Everett or Bauer — a last-name-as-first-name that happens to also be a color. Al Green (the soul legend), Tom Green (the comedian), and Soylent Green (the film) are all plausible cultural touchpoints for a pet owner reaching for this name.
Who names their pet Green
Green owners are creative namers who enjoy the conceptual cleanness of a color-as-name — and who clearly noticed that Blue has been taken. It's a name that sparks conversation precisely because it's unexpected. Small, bright-eyed dogs or green-eyed cats are the most logical recipients, though 25 registered Greens suggests the name is doing its own thing regardless of coat color. If you like the color-name space, Forest and Reed provide natural-world adjacency without the literal color reference.