Traditional Japanese colors refer to a set of colors that have been used in Japan since ancient times. These colors are deeply rooted in Japanese culture and are often associated with seasonal changes and natural elements. Examples include kiyomi (light green), iroha (pink), and tsuji (purple).

The Foreign Color System refers to various color classification and organization systems used in different countries, such as the Munsell Color System, Pantone Matching System, and CIE color space. These systems are used in design, printing, and other industries to ensure consistent color representation.

American traditional colors typically refer to the colors that are historically and culturally associated with the United States. These include red, white, and blue, which are the primary colors of the American flag. These colors are often used in patriotic contexts and are central to American national identity.

Ancient Greek traditional colors refer to the color palette used in ancient Greek art, architecture, and culture. These colors include white, black, red, blue, green, and gold, which were used to symbolize different aspects of life and the natural world. White was associated with purity and light, black with death and the underworld, red with passion and victory, blue with the sky and the divine, green with nature and growth, and gold with wealth and the divine.

The Ancient Egyptian color palette was one of the most diverse and complex in the ancient world. It included a wide range of pigments, derived from various sources such as minerals, plants, and insects. Common colors included blue, which was made from lapis lazuli; red, from hematite; and yellow, from orpiment or malachite. These colors were used in art, mummification, and religious ceremonies, reflecting the Egyptians' deep connection to the natural world and their belief in the afterlife.

Indian traditional chromatography refers to the ancient practice of separating mixtures using natural substances like herbs and minerals. It is a part of Ayurveda, the traditional Indian medicinal system, and is used for purification and analysis of substances.

Italian traditional chromatography refers to the traditional coloration techniques used in Italy, which often involve natural pigments and dyes. These techniques are widely used in art restoration, fashion, and decorative arts. The practice of chromatography in Italy dates back to the Renaissance, characterized by a meticulous approach to color mixing and application.