Black French Bulldog: True Black or Dark Brindle?

Editorial Director: Brandine StrandUpdated November 2026 Sources cited

Quick Answer

A black-looking French Bulldog may be a very dark brindle rather than a true solid black. The FBDCA calls dark brindles “the more common” brindles and says some may show only a “trace of brindle.” The AKC standard says “black means black without a trace of brindle,” and dark brindles are fully standard. A truly solid black Frenchie can carry dominant black (KB) at the K gene, and is disqualified in AKC and FCI shows and unacceptable under the UK standard. We found no documented health problem linked to the black color itself.

Black French Bulldog at a Glance

Some “black” Frenchies are really dark brindles. Look closely for a trace of fawn hairs in the stripes, enough to show the brindle pattern. That trace is all the AKC standard needs.
True solid black can come from a dominant gene variant called KB at the K locus (the CBD103 gene). One copy can be enough.
The AKC and FCI disqualify solid black in the show ring. The UK standard calls any color outside brindle, fawn and pied unacceptable.
We found no health problem linked to the black color itself. A black French Bulldog shares the breed’s known risks.
A K-locus DNA test shows whether a dog carries dominant black. It helps when you can’t find any fawn hairs, but some carriers are still brindle.

22 min read · skim it in 318 cited sourcesFree Breeder Screening Questionnaire

18.4%of UK vet-seen French Bulldogs with a recorded color in 2013 were listed as black

50%of puppies, on average, inherit dominant black from a parent with one copy

42 of 111black- or blue-based Frenchies (solid or brindle) in a 2020 study carried one hidden copy of cocoa

Sources: O’Neill et al., Canine Genetics and Epidemiology, 2018; UC Davis Veterinary Genetics Laboratory, dominant black test; Kiener et al., Genes, 2020.

A black French Bulldog is a showstopper: a glossy dark coat, bright eyes and those big bat ears. It’s also easy to misunderstand, because the word “black” covers two very different dogs.

One is a very dark brindle, a fully standard color. The other is a true solid black, which the AKC, FCI and UK standards all turn away. This guide shows you how to tell them apart, explains the gene behind solid black, and covers the standards, health, prices and DNA tests. For every Frenchie color side by side, see our French Bulldog colors guide.

Illustration of a solid black French Bulldog from the BestFrenchBulldog.com Color Atlas — An illustration of a solid black French Bulldog, from our Color Atlas.

What Is a Black French Bulldog?

A black French Bulldog is any Frenchie whose coat looks black. Some are dark brindles: black stripes so dense that the fawn background barely shows. Others are true solid blacks, with no brindle at all. We found no study that measured the split. The difference matters because the AKC standard accepts brindle but disqualifies solid black, and it draws the line at a single trace of brindle.

The AKC standard describes brindle as anything from “sparse but clearly defined black stripes on a fawn background” to striping so heavy “that the essential fawn background color barely shows through.” Then it adds the key line for black Frenchies: “Black means black without a trace of brindle” (AKC standard).

So in breed-standard terms, a black-looking dog with a trace of fawn hairs in its stripes, enough to show the brindle pattern, is a brindle. “Only a trace of the background color is necessary,” the standard says. You may see these labels:

Black brindle or dark brindle: a brindle with heavy striping that reads as black from across the room.
Solid black: black with no brindle anywhere, the color the standards disqualify.
Black and white: a black dog with white markings. Not the same as a brindle pied (more below).

Black Frenchie or Dark Brindle? How to Tell the Difference

To tell a dark brindle from a solid black Frenchie, look for a trace of fawn hairs inside the black. We’d check in daylight, on the sides, flanks, back legs and the edges of any white patches. The trace can be hard to find, so ask the breeder to show you where it is. Any fawn striping makes the dog a brindle. If you see none, a DNA test for dominant black can help, though the standard goes by the coat and some dominant black carriers still show brindle.

Judges look for the same thing. The French Bull Dog Club of America (FBDCA), the AKC parent club, says a brindle needs “enough fawn hairs to demonstrate the brindle pattern,” and that a judge who has “any concern on where the trace is” should ask the exhibitor to point it out, because the trace “may be located in a part of the body that is not visible.” Its verdict on the alternative is blunt: “A solid black French Bulldog without any brindle trace should be disqualified as being black” (FBDCA color clarification).

Illustration of a brindle French Bulldog with dark stripes on a tan coat, for comparison with a black French Bulldog — Color Atlas illustrations. Sources: AKC standard; FBDCA; UC Davis VGL; Laboklin.

Illustration of a solid black French Bulldog with no brindle — Color Atlas illustrations. Sources: AKC standard; FBDCA; UC Davis VGL; Laboklin.

In our view, daylight beats indoor bulbs, and parting the hair on the flanks beats judging from a photo, since a faint trace is easy to miss in a dim picture. If a seller calls a puppy “solid black,” ask whether that’s what they see or what a DNA test says. Our brindle French Bulldog guide shows the full range of brindle, from light to near-black.

Dark brindle French Bulldog that looks black from the front, with faint lighter striping along its back and flank, lying on a white floor — A dark brindle that reads as black from the front. Look along the back and flank and you can see faint lighter striping, the trace the standard asks for.

The Black French Bulldog Gene: Dominant Black at the K Locus

Solid black in French Bulldogs can come from dominant black, a variant of the CBD103 gene at what geneticists call the K locus. Its short name is KB. Because it’s dominant, one copy can be enough to turn the colored coat solid black. The same gene carries the brindle variant (kbr) and a third form (ky) that lets fawn show.

A “locus” is just a gene’s address on the chromosome. UC Davis Veterinary Genetics Laboratory (VGL) explains that dominant black “is due to a mutation in a Beta-defensin gene (CBD103)” and that this gene “produces dominant black vs. brindle vs. fawn colors” in breeds such as Great Danes, Pugs and Greyhounds (UC Davis VGL).

The Genes Behind a Black Frenchie, Decoded

Each dog carries two copies of every gene, one from each parent.

KB (K locus)Dominant black. Top of the K-locus order. Makes the colored coat solid and hides the A gene’s fawn or tan patterns.
kbr (K locus)Brindle. Ranks below KB and above ky. Lays black stripes over the fawn base.
ky (K locus)Lets the A gene show, giving fawn, black and tan, or recessive black.
e/e (E locus)Two copies of the red variant inhibit black pigment in the coat. A cream dog can carry KB and never look black.
d/d (D locus)Two dilute copies turn black pigment gray-blue, so a solid blue Frenchie is a black-based dog with dilution.

Sources: Laboklin, coat colour genetics; UC Davis VGL pages for dominant black, MC1R and dilute.

Here’s a twist worth knowing. UC Davis says dogs with one copy of dominant black “are sometimes brindle.” If not, UC Davis expects solid eumelanin (black-based) pigment in the colored areas. So an N/K result points to a solid black-based coat unless the dog is one of the brindle exceptions, and UC Davis notes that other genes, such as E, B and merle, still shape the final look. That’s one more reason to pair a DNA result with a close look at the coat.

There is a second route to black in dogs. Laboklin describes recessive black (a/a at the A gene), which gives a uniform coat when no KB is present (Laboklin). We found no data on how often recessive black explains a black-looking Frenchie.

How Black French Bulldog Puppies Are Made: The Odds

Because dominant black is dominant, a puppy needs only one copy from one parent. A parent with one copy (K/N, which UC Davis writes as N/K) passes it to about half its puppies, and a parent with two copies (K/K) passes it to all of them. Two parents with no copy can’t make a dominant black puppy, which is why two dark brindles without KB won’t produce one.

Chance That Each Puppy Inherits Dominant Black, by Parents

Standard dominant inheritance. Each puppy is a fresh coin toss, so real litters vary.

K/K × any100%
K/N × K/N75%
K/N × N/N50%
N/N × N/N (for example, two brindles without KB)0%

Bar length relative to 100%. UC Davis VGL states that dogs with one copy pass dominant black to 50% of their offspring and dogs with two copies pass it to all of them; the 75% figure follows from the same model. Inheriting KB doesn’t guarantee a black coat: a puppy that’s also e/e is predicted to have a coat in shades of cream, yellow and/or red, and some dogs with one copy are brindle.

This is also why a solid black puppy can turn up in a litter from a cream parent. Cream dogs with two copies of the red variant (e/e) “have inhibited black pigment production in their coats,” says UC Davis, so a cream can carry dominant black without showing it (UC Davis VGL, MC1R). If a genotype string such as “KB/ky at/at” looks like code, our color guide’s DNA string decoder translates it. Labs write results differently: UC Davis, for example, writes one copy of dominant black as N/K and stopped using “at” for the A gene in 2022 (UC Davis VGL, Agouti), while the decoder reads letter-style results like this one.

Is a Black French Bulldog Allowed? AKC, UK and FCI Rules

A solid black French Bulldog is outside the AKC, FCI and UK breed standards. The AKC lists solid black as a disqualification, the FCI disqualifies black, and The Royal Kennel Club (formerly The Kennel Club) in the UK says brindle, fawn and pied are “the only correct colours.” Dark brindles are accepted by all three, though the FCI wants the fawn ground color to stay visible. Registration is a separate question: the AKC says dogs of a disqualifiable color may still be registered.

What Each Breed Standard Says About Black

Quoted from each organization’s current French Bulldog standard.

Organization	Wording	Solid Black	Dark Brindle
AKC / FBDCA (US, 2018)	“Black means black without a trace of brindle.” Solid black, black and tan, black and white and white and black are among the named disqualifications	Disqualified	Accepted
The Royal Kennel Club (UK, updated 2025)	“The only correct colours are: Brindle; Fawn; Pied;” “Any other colour or combination of colours unacceptable.”	Unacceptable	Correct
FCI (international, 2023)	“Fawn, brindled or not, with or without white spotting.” Black, black with fawn markings (black and tan) “and all dilutions of black” disqualify	Disqualified	Accepted, if fawn shows

The FCI adds that “strongly brindled coats must not cover out the fawn ground colour,” a stricter line than the AKC’s single trace. The UK club’s members voted in June 2024 to change its name from The Kennel Club to The Royal Kennel Club (Royal Kennel Club, 2024).

This isn’t a new rule. The FBDCA says the standard “has included the same color requirements since the 1911 standard was approved by the AKC” (FBDCA), and the 1991 AKC standard already listed solid black among the disqualifications (AKC, 1991). Brindle, meanwhile, has deep roots: the FBDCA’s history says most early Frenchies were brindle (FBDCA history). Our French Bulldog breed standard guide walks through the whole standard.

Can a black French Bulldog be AKC registered? The AKC says “dogs of a disqualifiable color may still be registered” (AKC conformation FAQ). So papers and show eligibility are different things. Registration records a dog’s parentage. It doesn’t make a color standard, and it doesn’t prove health.

Black and White French Bulldog vs Brindle Pied

A black and white French Bulldog and a brindle pied can look almost identical, but the standards treat them differently. A brindle pied is white with brindle patches, and it’s accepted. A black and white dog has white with black that shows no brindle trace, and the AKC lists black and white as a disqualification. In a brindle piebald, a trace of brindle in any patch is enough.

Black French Bulldog puppy with a small white chest patch stepping onto wooden garden edging with a stick in its mouth — A black French Bulldog puppy with a white chest patch. If its coat hides even a trace of brindle, it’s a brindle with white markings. If it doesn’t, the FBDCA would call it black and white. A photo can’t settle which.

The AKC standard puts it simply: “in a brindle piebald, a trace of the brindle patterning in any patch is sufficient.” The FBDCA adds that a dog with white on the chest, toes or head and no brindle trace in its black coat “should be disqualified as being black and white” (FBDCA). The Royal Kennel Club’s standard defines Brindle Pied as “White predominates with brindle patches,” and the FCI calls a brindle with “moderate or important white spotting” “So-called ‘pied’.”

So when a listing says “black and white French Bulldog,” check the dark patches for brindle the same way you’d check a solid coat. The white spotting itself comes from a separate gene, the piebald (S) locus (Laboklin). Our white and pied French Bulldog guide covers how it works, and black with tan points has its own page in our tri-color French Bulldog guide.

Is a Black French Bulldog Rare?

No. A black French Bulldog is common, at least by appearance. In a study of French Bulldogs seen by UK vets in 2013, 18.4% of the dogs with a recorded color were listed as black (“solid or main”), 383 dogs in all, behind only brindle (32.3%) and fawn (29.9%). True solid blacks are another matter: we found no published count of how many “black” Frenchies carry dominant black and how many are dark brindles.

Recorded Coat Colors of French Bulldogs Under UK Vet Care, 2013

Main coat color as recorded in practice records, for dogs with color data.

Brindle32.3%
Fawn29.9%
Black18.4%
Pied12.3%
Blue4.1%
Liver or chocolate3.0%

Bar length relative to 35%. Source: O’Neill et al., 2018, Canine Genetics and Epidemiology. Color data were 93.4% complete; the paper doesn’t say how practices recorded color.

Our reading, not a finding: the paper doesn’t say how vets decided a dog was “black,” and the paper doesn’t report checking those dogs for brindle or testing their DNA. Because a dark brindle can look black at a glance, we think the 18.4% may include some dark brindles. The data can’t confirm that, so treat it as a reasonable guess rather than a fact.

Red Flags

Are Black French Bulldogs Healthy?

We found no health problem linked to the black color itself in French Bulldogs. Unlike merle, which is linked to deafness (Strain et al., 2009), or the dilute colors, we found no documented color-linked condition for black. A black French Bulldog still shares the breed’s known risks, from breathing problems to back disease, and some black Frenchies quietly carry rarer color genes, such as cocoa or dilute, that matter for breeding.

The UK study above recorded color only to describe the population; it did not link color to disease (O’Neill et al., 2018). In that same study of 2,228 French Bulldogs, the most common recorded problem was ear inflammation (otitis externa, 14.0%), with skin fold dermatitis at 3.0% and BOAS at 2.4%.

So “no documented problem” means we found no evidence of one, not that someone proved black dogs are healthier. Judge a black French Bulldog’s health the way you’d judge any Frenchie: breathing, spine, skin and ears. Our merle French Bulldog guide covers that color’s hearing risks. Our guides to BOAS, IVDD and common health problems cover each one.

Hidden genes under a black coat. In the 2020 study that identified the cocoa variant, 42 of 111 black- or blue-based control French Bulldogs (solid or brindle), about 38%, carried one copy of the cocoa variant without showing it (Kiener et al., 2020). A follow-up study of 34 Frenchies found a platelet dense granule defect in cocoa dogs, though no bleeding incidents were reported and none of the cocoa dogs had undergone surgery (Laukner et al., 2021). Our chocolate and cocoa guide explains what that means.

A black dog can also carry one copy of dilute, the gene that turns black into blue. VCA Animal Hospitals describes color dilution alopecia as an inherited condition that causes patches of hair thinning or loss, most often in dogs with a blue or fawn coat (VCA). Our blue French Bulldog guide covers it in the breed. None of this affects a black carrier’s own coat. It matters if the dog will be bred. For anything clinical, talk to your vet.

Because ear and skin problems are among the most common recorded problems, they’re a good place to look for root causes. Some vets who favor natural therapies, such as Dr. Judy Morgan, look hard at diet when ears keep flaring, while VCA’s guidance starts with an exam and a look at material from the ear under a microscope. We set both views side by side in Where the Experts Disagree.

What a Black Coat Can Hide: Cocoa Carriers

Bar segments are drawn to scale (42 of 111). Source: control dogs in Kiener et al., 2020. The study’s black or blue group included brindled dogs. A single copy doesn’t change the coat, but it can be passed on.

See Your Vet If Your Black Frenchie Has

Loud or labored breathing at rest, gasping or blue-tinged gums (an emergency) · fainting or collapse after exercise or heat · back pain, a hunched posture, wobbly back legs or reluctance to jump · red, smelly skin folds or ears · bleeding that seems slow to stop, especially if your dog has tested cocoa (co/co).

Black French Bulldog puppy with a white chest patch

How Much Is a Black French Bulldog?

On at least one US breeder’s price list, black sits at the low end. Country Club Frenchies, a Georgia breeder, lists “Black and Brindle” together at $2,999 to $4,000 for a pet puppy with limited registration on its pricing page, below fawn, cream and the rare colors. The breeder doesn’t say why the two are grouped. These are a seller’s published prices, not market averages.

One Georgia Breeder’s Puppy Prices by Color

Selected colors for pet puppies with limited AKC registration, from the breeder’s pricing page, checked October 2026. A seller’s prices, not verified sales.

Color	Listed Price
Black and Brindle	$2,999–$4,000
Cream	$3,500–$4,500
Black and Tan	$3,500–$4,500
Fawn	$3,500–$5,000
Solid Blue, Solid Chocolate, Solid Lilac, Platinum	$4,000–$5,500
Merle (any color)	$4,000–$6,500

Source: Country Club Frenchies pricing page. The breeder adds $2,000 for full registration (breeding rights), offered only with its approval. Three tan-pointed dilute colors from the same list are not shown: Blue and Tan ($3,800–$5,000), Chocolate and Tan ($3,800–$5,500) and Lilac and Tan ($4,000–$5,500).

Be wary of anyone charging a big premium for a “rare solid black.” Black isn’t rare, and solid black is a disqualified color, not a prized one. The FBDCA warns that colors marketed as rare let sellers charge “very inflated prices” (FBDCA). Our French Bulldog price by color guide compares every color, and the purchase price is only the start, so budget for pet insurance too.

What a DNA Test Can Tell You About a Black French Bulldog

A K-locus DNA test tells you whether a black French Bulldog carries dominant black, but for the breed standard the coat still decides. UC Davis VGL reports K/K (two copies), N/K (one copy, sometimes brindle) or N/N (no dominant black). A dark-looking dog that tests N/N is not a dominant black. It could be a dark brindle or a recessive black (a/a), and a color panel that includes the A locus can show whether it’s a/a. We found no data on how often recessive black causes a black coat in the breed. The UC Davis French Bulldog color panel includes this test.

Look First, in Good Light Coat

We’d check the flanks, thighs and the edges of any white for a trace of fawn hairs in daylight, and ask the breeder to point it out. Any fawn striping means brindle by the AKC standard, whatever the DNA says.

Order a K-Locus Test DNA

The UC Davis VGL dominant black test or its French Bulldog coat color panel reports K/K, N/K or N/N.

Know What the Test Can't See Limits

Some K-locus tests detect only KB. UC Davis reports K or N, and its N simply means “no dominant black,” so it doesn’t say whether the dog carries brindle (kbr) or ky. Laboklin says its KB test can’t tell kbr from ky and offers a separate brindle test. Ask the lab what each result covers.

Add Hidden-Gene Tests If Breeding Panel

Black dogs can carry cocoa or dilute without showing it. A full color panel shows what a black dog could pass to its puppies.

For the full menu of labs and what each panel covers, see our French Bulldog DNA test guide. You can read the lab’s own explanation on the UC Davis dominant black test page and the Laboklin KB test page.

Checklist

How to Buy a Black French Bulldog Responsibly

Buy a black French Bulldog the way you’d buy any Frenchie: health first, color second. Ask for both parents’ DNA results and breathing assessments, registration papers and a written health contract. Ask whether the puppy is a dark brindle or a solid black and how the breeder knows, and walk away from anyone who sells “rare black” as a premium feature.

Ask For

DNA: K-locus results for the puppy or both parents, plus a color panel
Breathing: A breathing assessment for both parents, such as a BOAS grade
Papers: Registration for both parents and a written health contract

Check

Coat: Fawn hairs in daylight, if show eligibility matters to you
Parents: Meet them and watch them breathe at rest and after a short walk
Puppy: A vet check before you pay in full

Walk Away If

Pitch: “Rare solid black” is sold as a premium
Proof: No DNA results, or results you can’t verify with the lab
Payment: Deposits by gift card or wire, or no chance to meet the dog

Free Download: The Breeder Screening Questionnaire

The questions to ask any Frenchie breeder about health testing, breathing, parents and contracts, whatever the color. Print it, or keep it open on your phone when you call.

Privacy

Want to start with breeders who list their health testing? Browse our French Bulldog breeder directory, and bring our questions to ask a French Bulldog breeder to every call. A black French Bulldog can turn up in rescue too, and our French Bulldog adoption guide shows where to look.

What We Don’t Know

The Open Questions About Black Frenchies

We found no study that measured how many black-looking French Bulldogs carry dominant black and how many are dark brindles. We found no data on how often recessive black explains a black-looking Frenchie, no US color figures, and no study on how a black Frenchie’s coat changes from puppy to adult. If new research appears, we’ll update this page.

Free for Frenchie parents

Get the Frenchie Longevity Blueprint

Our free guide to the root-cause basics, plus one in-depth health guide at a time, straight to your inbox. No spam, unsubscribe anytime.

Where the Experts Disagree on Black Frenchies

Is black a “healthier” color?We found no documented color-linked condition in black French Bulldogs, unlike merle or the dilutes. But the UK data recorded color only to describe the dogs and didn’t test whether color affects health. Our take: no known color risk isn’t the same as proven healthier, so judge breathing, spine, skin and ears first.
How dark can a brindle get?The AKC standard says “only a trace of the background color is necessary,” so a nearly black dog with a trace of fawn hairs, enough to show the brindle pattern, is still a brindle. The FCI standard says “strongly brindled coats must not cover out the fawn ground colour.” Evidence: both are written breed standards, so this is a rule difference, not a science question. Our take: a very dark brindle is fine for a pet, and the AKC and FCI rings may judge the same dog differently.
Chronic ear trouble: diet first or ear treatment first?Dr. Judy Morgan, DVM, CVA, CVCP, CVFT, a veterinary acupuncturist, chiropractitioner and food therapist, links chronic yeasty ear infections to food intolerance and writes: “Stop treating chronic ear infections. Find the underlying cause and solve the problem permanently” (Dr. Judy Morgan). VCA Animal Hospitals says a vet may examine the ear canal and material from it under a microscope to choose the right medication, and that allergies are involved in as many as 43% of ear infection cases, especially chronic or recurrent ones (VCA). Evidence: clinical experience on the integrative side, standard practice on the conventional side. Our take: get a painful ear examined now, and if it keeps coming back, look hard at diet with your vet.
Does a hidden cocoa copy matter?A 2021 study found a platelet granule defect in cocoa dogs, with no bleeding reported, and the researchers say more study is needed. A single hidden copy matters mainly for breeding. Our take: ask for the cocoa result, and tell your vet before surgery if your dog has two copies.

Your next step: Ask any breeder for full color DNA on both parents, using our breeder questions. Once your black Frenchie is home, find a breed-savvy vet in our French Bulldog vet directory or our integrative vet directory, and compare every shade in our colors guide.

Free: The Frenchie Longevity Blueprint

Our free guide to the habits that help a French Bulldog live longer. Join our Frenchie health notes and it's yours.

Privacy

Frequently Asked Questions About Black French Bulldogs

Is a black French Bulldog rare?

No. In UK vet records from 2013, 18.4% of French Bulldogs with a recorded color were listed as black, the third most common color after brindle and fawn. What’s less clear is how many of those were true solid blacks rather than dark brindles, because the study doesn’t report checking. Be wary of any seller who charges extra for a “rare” black Frenchie.

Is a black Frenchie AKC standard?

A solid black Frenchie isn’t. The AKC standard lists solid black as a disqualification and says “black means black without a trace of brindle.” A dark brindle that looks black but shows a trace of brindle is a brindle, which is an accepted pattern. The AKC says dogs of disqualifiable colors can still be registered, but a solid black is disqualified in the show ring.

What is a black brindle French Bulldog?

A black brindle is a brindle French Bulldog with striping so heavy that the fawn base barely shows, so the dog looks black from a distance. Look closely in daylight for fawn hairs between the stripes. The AKC standard accepts heavy brindling, and only a trace of the background color is needed.

Is a black and white French Bulldog the same as a brindle pied?

Not to the standard. A brindle pied is white with brindle patches and is accepted. A black and white French Bulldog shows no brindle trace in its dark patches, and the AKC lists black and white as a disqualification. In a brindle piebald, a trace of brindle in any patch is enough to qualify.

Are black French Bulldogs healthy?

We found no health problem linked to the black color itself. Black Frenchies share the breed’s known risks, including breathing problems, back disease, skin fold infections and ear disease. Some black Frenchies carry hidden cocoa or dilute genes, which matter for breeding. Choose a breeder who health-tests, and ask your vet about anything clinical.

How much does a black French Bulldog cost?

On at least one breeder’s price list, black is one of the cheaper colors. Country Club Frenchies, a Georgia breeder, lists “Black and Brindle” pet puppies at $2,999 to $4,000 on its pricing page, below fawn, cream and rare colors such as lilac and merle. Those are one seller’s published prices, checked October 2026. A big premium for “rare black” is a red flag.

How can I tell if my Frenchie is black or dark brindle?

Look for a trace of fawn hairs between the black ones. We’d start in daylight on the flanks, thighs and edges of white patches, and ask the breeder to show you where the trace is. Any fawn striping means brindle. If you can’t find any, a K-locus DNA test shows whether the dog carries dominant black, though some carriers are still brindle. A result of N/N means it isn’t a dominant black.

Sources

Genetics Research and Laboratories

UC Davis Veterinary Genetics Laboratory. Dominant Black (K Locus) test. Accessed October 2026.
UC Davis Veterinary Genetics Laboratory. MC1R (E locus) test; Dilute test; Agouti (A locus) test. Accessed October 2026.
Laboklin. Explanations of coat colour genetics. Accessed October 2026.
Laboklin. K-locus (only the allele KB). Accessed October 2026.
Kiener S, Kehl A, Loechel R, Langbein-Detsch I, Müller E, Bannasch D, Jagannathan V, Leeb T. Novel brown coat color (cocoa) in French Bulldogs results from a nonsense variant in HPS3. Genes. 2020;11(6):636. doi:10.3390/genes11060636
Strain GM, Clark LA, Wahl JM, Turner AE, Murphy KE. Prevalence of deafness in dogs heterozygous or homozygous for the merle allele. Journal of Veterinary Internal Medicine. 2009;23(2):282–286. Full text
Laukner A, Truchet L, Manukjan G, Schulze H, Langbein-Detsch I, Mueller E, Leeb T, Kehl A. Effects of cocoa genotypes on coat color, platelets and coagulation parameters in French Bulldogs. Genes. 2021;12(7):1092. doi:10.3390/genes12071092

Population Research

O’Neill DG, Baral L, Church DB, Brodbelt DC, Packer RMA. Demography and disorders of the French Bulldog population under primary veterinary care in the UK in 2013. Canine Genetics and Epidemiology. 2018;5:3. doi:10.1186/s40575-018-0057-9

Breed Standards and Clubs

American Kennel Club. Official Standard of the French Bulldog. Approved April 10, 2018; effective June 5, 2018. 1991 standard (approved June 10, 1991).
American Kennel Club. Conformation FAQ. Accessed October 2026.
The Royal Kennel Club (formerly The Kennel Club, UK). French Bulldog breed standard. Last updated August 1, 2025. Name change: members vote for royal name change, June 2024.
Fédération Cynologique Internationale. FCI Standard No. 101, French Bulldog. Published August 10, 2023.
French Bull Dog Club of America. Color clarification. July 2008; accessed October 2026.
French Bull Dog Club of America. French Bulldog Fad Colors; breed history. Accessed October 2026.

Veterinary References

Weir M, Williams K, Downing R. Color Dilution Alopecia in Dogs. VCA Animal Hospitals. Last updated September 12, 2025.
Weir M, Panning A, Ward E. Ear Infections in Dogs. VCA Animal Hospitals. Last updated April 10, 2026.
Morgan J (DVM, CVA, CVCP, CVFT). Itchy Smelly Ears May Be Caused By This. September 7, 2016. Credentials.

Price Sources (Advertised Prices, Checked October 2026)

Country Club Frenchies (Atlanta, Georgia). Pricing. Breeder pricing page (price list undated; the page refers to 2025 prices). Accessed October 2026.

Prices were checked on a seller’s website in October 2026 and change often. Links to DNA testing labs are for information; we don’t earn a commission from them. This article is educational and doesn’t replace your vet. If your Frenchie is struggling to breathe, collapses or overheats, call your vet or emergency clinic now.