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Guide to Cat Coat Colors & Patterns
Broken Colors

by Sarah Hartwell

   
   
   

Broken Colors: Tortoiseshells, Bicolors & Tricolors

Tortoiseshell is the mixing of two or more distinct colors; one of the colors is red or cream. The black/orange tortie will be familiar to most readers. In pedigree cats, well defined patches of each color are preferred. Cats with tabby markings on a tortie background are known as tabby-torties/patched tabbies/torties. Where the hairs are mixed together, the cat is referred to as brindled. Almost all tortie/tortie-and-white cats are female; males do occur sometimes but they are either infertile or they have a genetic condition called "mosaicism" and do not bred true.

Tortoiseshell: Black/Orange (tabby markings visible on the orange patches)
Dilute Tortoiseshell:
Blue-Cream (tabby visible on cream patches)
Brown Tortoiseshell:
(Burmese version of black/orange Tortoiseshell)
Chocolate (Chestnut) Tortoiseshell:
Warm milk chocolate, red, and cream
Cinnamon Tortoiseshell:
Milk-chocolate brown and cream (Burmese)
Lilac (Lavender) Tortoiseshell:
Frosty lilac-gray and cream

The above can occur in combination with the tabby pattern e.g. Blue Tabby Tortie, Lilac Tabby Tortie, Silver Tabby Tortie etc. Solid colors can occur patched with white e.g. Black and White, Cream and White (faint tabby markings), Chocolate and White. Tabby patterns can occur patched with white e.g. Blue Tabby and White, Red Tabby and White, Silver Tabby and White. Ticked colors can occur patched with white.

Tortie patterns occur with white e.g. Tortoiseshell & White (Calico or Mi-Ke in Japanese Bobtail), Dilute Tortoiseshell & White (Dilute Calico/Blue-Cream and White), Chocolate (Chestnut) Tortie and White (Choc-Cream & White/Chestnut Calico), Lilac (Lavender) Tortie & White (Lilac-Cream & White/Lavender Calico) etc.

Tortie or Tortie-Tabby patterns can occur on silver backgrounds e.g. Blue Silver Tortoiseshell/Tortie Tabby/Tabby, Fawn Silver Tortoiseshell/Tortie Tabby/Tabby, Red Silver Tortoiseshell/Tortie Tabby/Tabby etc and possibly on golden backgrounds though the genetics of golden are not well understood at present.

Two others are Shell/Cameo/Silver/Golden Tabbies and Smoke Tortoiseshell/Shaded Tortoiseshell which are described in the section on chinchillas and tipped colors.

   
   


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