Tortoiseshell is a distinctive pattern characterized by a mix of warm brown, amber, and black colors, resembling the shell of a tortoise. This pattern is commonly found in various materials, including plastic, glass, and fabric. It is often used in fashion accessories, eyewear, and home decor, providing a classic and elegant look. In addition to its aesthetic appeal, tortoiseshell is also associated with certain breeds of animals, such as cats. In these animals, the tortoiseshell pattern typically appears as a mix of orange and black fur, often with white patches. This unique coloration is a result of genetic variations.