Target #720032 Stablemates Flower Barn (2006) is a buckskin or light bay with dapples, detailed brown eyes with eye-whites, elongated star, and a metallic finish.
Play Set #5210 Junior Rider and English Saddle Set (2006) was also released as #720048 Deluxe Grooming Center & Cafe (2007) and is a shaded red bay with elongated star, and hind pasterns with tan hooves.
BreyerFest Breyer Store Special #711080 Stablemates 20th Anniversary Commemorative Set - 1999 Molokai (2009) is a brown bay with eye-whites, star, and usually a satin to semi-gloss finish.
Stablemate Assortment #5607 Warmblood (1998-02) (also assortment #5901/#5902) was also released as Breyer Day #701003 English Rider and Saddle Set with Bay Warmblood (2003) and is a shaded medium bay with four socks.
JCPenney #410175 Stablemates Parade of Breeds - Warmblood, Bay (2005) is generally matte to satin medium bay and only has black shading on the leg joints with the lower parts of the unmarked legs being a reddish brown. The near-hind and off-fore legs have socks and shell coloured hooves.
JCPenney #410436 Stablemates Parade of Breeds - Hanoverian (2008) is a dark bay, usually satin to semi-gloss, with a heart-shaped star, near-hind and off-fore socks.
Target #720599 Sport Horse - bay and chestnut foal (2007) was later released as Gift Set #5924 Horse and Foal Set - Sport Horse (2007-15) and is a dark bay with a large blaze, off-hind sock, near-hind stocking, and generally has a satin to semi-gloss finish.
QVC Silver Cup Series, First Collection (2002) is a shaded buckskin or sandy bay with a high gloss finish and no markings.
Gift Set #5401 Flicka and Family Gift Set (2006-07) is a red-orange shaded chestnut with eye-whites and a star.
Gift Set #5412 Stablemates Horse Lover's Collection Shadow Box - Warmblood (2011-Current) is a brown chestnut with yellow undertones, darker mane and tail, thin blaze, and hind socks.
Play Set #5363 English Riding Set (2010) is a dark rose grey - grey with just a hint of red tones - with eye-whites, near-hind and off-fore socks (a popular combination for this mold), eye-whites, and a white tip to the tail. The finish is usually satin to semi-gloss and this model tends to have paint issues due to being packaged wearing rubber tack.
Just About Horses #701704 Double Exposure (2003) is often called "grulla", but more of rose grey, lighter than the first model. It has a high gloss finish, a blaze, off-side socks, and a gold/white ribbon attached to a ring in it's back.
Play Set #5204 English Rider and Saddle Set (2000-04) is a medium grey with resist dapples and while it doesn't have socks, the lower legs are lighter than the rest of the body.
Target #720224 Pony Gals - Hanoverian (2009) has a dusky cream body with grey shading, grey and chestnut flea-bites, grey legs, blaze, and an off-hind sock.
World Equestrian Games #9161 Selle Francais (2014) is a white grey which has been painted white with soft grey shading on the face and joints, blaze, eye-whites, and lighter lower legs, but no socks.
TJ Maxx #701774 Horses of the World (2004) is a white grey with unpainted plastic, a fine mist of grey flea-bites, shaded muzzle, and three grey hooves with the off-fore hoof being cream-coloured.
BreyerFest #711502 Porcelain Stablemate Warmblood (2002) is somewhat similar in colour to Double Exposure, but is lightly dappled and has black points, four socks, and a glossy finish.
Walmart #750010 Flicka in the Wild Stablemates Set (2006) is a darker "macaroni and cheese" colour with an elongated star, eye-whites, shaded muzzle, and three socks, not near-hind.
Play Set #59230 Stablemate Play Mat (2007-08) was also released in the Toys 'R' Us #760218 Stablemate World of Horses Shadow Box - Warmblood (2010) and the Play Set #5951 Play Mat (2012-13) and is a lighter yellow palomino with near-hind and off-fore socks.
Both of the models on the top row are from the Target #720229 Pony Gals - Princess Kayla Fantasy Adventure (2009) and they are a pearly white shaded with pink with gold hooves. The amount of pink shading can vary greatly.
BreyerFest Breyer Store #710200 Stablemates Keychain (2000) is a pearly cream with faint pink tones and a keychain attachment.
Not shown is the JCPenney Breyer Stablemates Truck and Trailer Set (2008), this model is a pearly white with blue-grey shading and eye-whites.
Both of these models may be listed as "bay pinto", but the Play Set #59197 Stablemates Red Stable Set (2003-06) model is a bay frame with a blaze while Play Set #6602 Lisa & Prancer Set - Jumping to Conclusions - Patch (2008-11) is a bay tobiano with star, four white legs, and eye-whites.
Velvet Rope Event Painting Session Stablemate (2008) is a solid black model while the Gift Set #5388 Competing at the Games (2016-Current) is a satin to semi-gloss black with star and hind socks.
Just About Horses #701706 Special Edition Connoisseur Set - Mini Appropos (2006) is a resist-dappled buckskin with a detailed blanket appaloosa pattern, detailed brown eyes with eye-whites, blaze, snip, and leg striping on all four legs.
Stablemate Assortment #5904 Dun Appaloosa Warmblood (2003-06) has also been used in the Play Set #301106 Buffalo Bill Rough Rider Play Set (2005-06) - also called #5316 Buffalo Bill Rough Rider Play Set (2005-06) - and the Target #720116 Dun Appaloosa Warmblood (2006) and the Tractor Supply Company #760188 Durango Western Riding School (2009) and is a shaded bay or dark buckskin with a small blanket, blaze, and hind stockings.
Gift Set #5979 Polka Dot Parade (2012-14) has also been released as Play Set #6024 Varnish Roan & Rider (2015-current) and is a shaded rose grey with a soft blanket, black spots over the hindquarters, and a near-hind sock.
Just About Horses #790798 Special Edition Stablemates Gift Set (1998) could also be found in the
BreyerFest Breyer Store Special Mystery Box (2004) and is a black tobiano with a blaze, and four stockings. These models are produced in old plastic.
Many thanks to Deb Walsmith, PolarVrtX, Beth McCarley, and MySt of My Stablemates for providing pictures for this post!