A calico cat is a domestic cat of any breed with a tri-color coat. The calico cat is most commonly thought of as being 25% to 75% white with large orange and black patches; however, they may have other colors in their patterns. Calicoes are almost exclusively female except under rare genetic conditions.
A calico cat
Calico cat with diluted coloration
Calico cat sisters
A long-haired adult calico cat
Tortoiseshell is a cat coat coloring named for its similarity to tortoiseshell pattern. Like tortoiseshell-and-white or calico cats, tortoiseshell cats are almost exclusively female. Male tortoiseshells are rare and are usually sterile.
A short-haired black tortoiseshell cat
Cat with a blue ("dilute") tortoiseshell coat
Black tortoiseshell ("tortie") short-haired cat
Blue tortoiseshell Birman cat