Abstract. The article is devoted to the analysis of scientific opinions on the words related to color in the Arabic language and their cognitive and lexical-semantic analysis based on the comments given in the work "«المعجم الوسيط» ("The perfect dictionary"). In the article, the author tried to scientifically analyze what cognitive analysis is, the lexical-semantic nature of words, the views given by scientists regarding the meaning of colors in general linguistics. Therefore, he touched upon the roots and cognates of words related to the color space, their meaning diversity, and evaluated the place of the work «المعجم الوسيط»" ("Perfect Dictionary") as a scientific source. The cited examples and the scope of the used literature indicate that the article is an important step in revealing the morphological, cognitive and syntactic nature of the words related to the color space in the Arabic language.