Colors play a crucial role in interior design, as they contribute to the aesthetic appeal, psychological and physiological well-being, and personal expression within a space. This paper provides a brief analysis of the three primary color components used in interior design, exploring their basic implications and variations. It also addresses common challenges in color application and investigates the employment of colors in various interior design spaces. Despite the undeniable importance of color in interior design, it is often overlooked during the initial design process. Colors serve as a universal visual language, influencing our lives and conveying meanings worldwide. Interior design heavily relies on color schemes, as they are the key ingredient for expressing emotions and creating visual impact within a space. The combination of colors, lighting, and shades in interior design allows for clear interpretations and connotations. Furthermore, the study of color has expanded through the development of modern psychology; influencing fields such as architecture, interior design, urban planning sand marketing. Even Swiss psychologist Carl Jung associated the four temperaments with specific colors: sunshine yellow, earth green, cool blue, and fiery red. By understanding the role and impact of colors in interior design, professionals can create engaging and meaningful spaces that resonate with occupants and reflect their cultural background, aesthetic preferences, and personality.