Analysis on Cultural Connotation of Color Words Based on Teaching Chinese as a Foreign Language—Take "Red" and "Yellow" for Example

Vocabulary is the fastest developing in the language system, and it is closely related to the social development and change. Color words represent different cultural connotations in different ethnic groups, which is the difference between color words and other words, and it is a difficult point for international students to learn Chinese. This paper lists the non-color meaning of color words such as "red" and "yellow" and the differences in Chinese and Western cultural connotations, and puts forward some teaching suggestions for the teaching of color words in the teaching of Chinese as a foreign language. Understanding and mastering the differences in color words in different languages will help Chinese learners to better master the Chinese language and promote the further dissemination of Chinese culture.