The Kennel Club Breed Standard for the Great Dane 

General Appearance Very muscular, strongly though elegantly built, with look of dash and daring, of being ready to go anywhere and do anything. Head and neck carried high, tail in line with back, or slightly upwards, but never curled over high quarters. Elegance of outline and grace of form most essential.

Characteristics
Alert expression, powerful, majestic action displaying dignity.

Temperament
Kindly without nervousness, friendly and outgoing.

Head and Skull
Head, taken altogether gives the idea of great length and strength of jaw. Muzzle broad, skull proportionately narrow, so that whole head when viewed from above and in front, has appearance of equal breadth throughout. Length of head in proportion to high of dog. Length from  nose to point between eyes about equal of preferably of greater length than from this point to back of occiput. Skull flat, slight indentation running up centre, occiputal peak not prominent. Decided rise or brow over the eyes but not abrupt stop between them, face well chiselled, well filled in between eyes with no appearance of being pinched. Foreface long, of equal depth throughout. Cheeks showing as little lumpiness as possible, compatible with strength. Underline of head, viewed in profile, runs almost in a straight line from corner of lip to corner of jawbone, allowing for gold of lip, but with no loose skin hanging down. Bridge of nose very wide, with slight ridge where cartilage joins bone (this is a characteristic of the breed). Nostrils large, wide and open, giving blunt look to nose. Lips hang squarely in front, forming right angle with upper line of foreface.

Eyes
Fairly deep set, not giving the appearance of being round, of medium size and preferably dark. Wall, or odd eyes permissible in harlequins.

Ears
Triangular, medium size, set high on skull and folded forward, not pendulous.

Mouth
Teeth level, Jaws strong with a perfect, regular and complete scissor bite, ie. upper teeth closely overlapping lower teeth and set square to the jaws.

Neck
Neck long, well arched, quite clear and free from lose skin, held well up, well set in shoulders, junction of head and neck well defined.

Forequarters
Shoulders muscular, not loaded, well sloped back, with elbows well under body. Forelegs perfectly straight with big flat bone.

Body
Very deep, brisket reaching elbow, ribs well sprung, bell well drawn up. Back and loins strong, latter slightly arched.

Hindquarters
Extremely muscular, giving strength and galloping power. Second thigh long and well developed, good turn of stifle, hocks set low, turning neither in nor out.

Feet
Cat-like, turning neither in nor out. Toes well arched and close, nails strong and curved, Nails preferably dark in all coat colours, except harlequins, where light are permissible.

Tail
Thick at the root, tapering towards end, reaching to or just below hocks. Carried in straight line level with back, when dog is moving, slightly curved towards end, but never curling or carried over back.

Gait/Movement
Action lithe, springy and free, covering ground well. Hocks move freely with driving action, head carried high.

Coat
Short dense and sleek-looking, never inclined to roughness.

Colour
BRINDLES:must be striped, ground colour from lightest buff to deepest orange, stripes always black, eyes and nails preferably dark, dark shadings on head and ears acceptable.
FAWNS:colour varies from lightest buff to deepest orange, dark shadings on head and ears acceptable, eyes and nose preferably dark.
BLUES:colour varies from light grey to deep slate, the nose and eyes may be blue.
BLACKS: black is black.
In all the above colours white is only permissible on chest and feet, but it is not desirable even there. Nose always black, except in harlequins and blues. Eyes and nails perfectly dark.
HARLEQUINS:
pure white underground with preferably all black patches or all blue patches, having appearance of being torn. Light nails permissible in harlequins, wall eyes, pink nose or butterfly noses permissible but not desirable.
MANTLES:
Black and white with a solid, black blanket extending over the body. Ideally - black skull with white muzzle, white blaze optional, whole white collar preferred, a white chest, white on part or whole of the forelegs and hindlegs, white tipped black tail. Nose always black, eyes and nails perfectly dark.

Size
  Minimum height of an adult dog over eighteen months : 76 cms (30"), bitches : 71 cms (28")

Weight
Minimum weight over eighteen months : dogs : 54 kgs (120 lbs) : bitches : 46 kgs (100 lbs)

Faults
Any departure from the foregoing points should be considered a fault and the seriousness with which the fault should be regarded should be in exact proportion to its degree and its effect upon the health and welfare of the dog.

Note
Male animals should have two apparently normal testicles fully descended into the scrotum.
Picture
                    1.  Throatline       9.  Croup                17. Shoulder Joint          25. Nails                   33. Rear Pastern
                    2.  Withers           10. Set of Tail        18. Upper Arm                26. Croup                  34. Hindfoot/toes
                    3.  Shoulders        11. Tail                 
19. Elbow                       27. Upper Thigh        35. Dew Claw
                    4.  Prosternum     12. Flank                20. Forearm                   28. Stifle 
                    5.  Forechest       13. Belly                  21. Wrist                       29. Stifle Joint 
                    6.  Rib cage         14. Groin                 22. Pastern                    30. Lower Thigh
                    7.  Back              15. Underline            23. Forefoot/toes          31. Hock
                    8.  Loin              16. Chestline             24. Paw                        32. Hock Joint
Picture
              1. Nostrils                     5. Top Lip                      9. Forehead             13. Eye            17. Crest of the Neck
              2. Nose                         6. Corner of Mouth         10. Skull                  14. Eyebrow
              3. Nosebridge                7. Cheek                        11. Occiput             15. Dewlap
              4. Upper Jaw                 8. Stop                           12. Ear                   16. Neck
Picture
Picture

Gait of the Great Dane                                             Skeletal Structure of the Great Dane