Abstract: The article considers conceptual ideas of color categorization as a cultural practice. Color categorization is the process of dividing the color continuum into discrete color groups (color categories) and fixing them in the human mind through the cutural sign system. In modern color studies, this process is viewed from the ecocentric perspective. According to ecocentrism, humans and other living being are equal parts of nature, and they should coexist in harmony and peace. In this regard, it becomes important to search for ecological motivation not only in the human body, but also in human activity, especially in cultural practices. Therefore, the purpose of this study was to analyze conceptual ideas of color categorization from the ecocentric perspective.  The systematization of the indicated conceptual ideas allowed us to identify three key directions based on ecological motivation: (1) nature-centered, (2) body-oriented and (3) socio-cultural. The mentioned directions are formed on the basis of such concepts as "environment", "corporeality" and "sociality", respectively. Acting as the main factors that determine the content and structure of color categories, environment, human body and culture form the main vector of color categorization. The environment comprises a set of objects with chromatic characteristics. They are the material for color categorization, and their configuration sets examples of color combinations. The physiological and biological features of the human body determine the process of color perception and its cognitive processing resulting into color categories. As the color categories become a part of human activity, their cultural semantics is created in the form of cultural meanings and connotations.