This article explores the intricate relationship between color perception, emotion, and the human brain. It outlines the physiological process of how light and color are perceived by the eyes and transmitted to the brain. Emphasis is placed on the limbic system's role in emotional processing and memory formation related to color. The article discusses the evolutionary basis of color perception and introduces color psychology, highlighting common emotional associations with warm and cool colors. It also touches upon the concept of color harmony and its impact on emotional responses. Acknowledging the influence of culture and personal experience on color perception, the article underscores the complexity of our fascination and emotional connection with color, suggesting the need for further research in this area.