Interior design plays a crucial role in shaping human experiences within built environments. Colors and lighting have a significant psychological impact, influencing emotions, productivity, and overall well-being. Based on environmental psychology studies, different colors and lighting levels can create stimulating or calming atmospheres, making interior design a key factor in achieving mental wellness.<br /><br />The Impact of Colors on Mood<br />Colors have a powerful psychological influence, with each shade evoking different emotions and behaviors:<br /><br />Warm Colors (Red, Orange, Yellow): Stimulate energy, evoke passion, and enhance excitement. However, excessive use may lead to feelings of stress.<br />Cool Colors (Blue, Green, Purple): Promote relaxation, reduce stress, and create a tranquil atmosphere, making them ideal for bedrooms and offices.<br />Neutral Colors (White, Gray, Beige): Provide a sense of purity and simplicity, offering a balanced aesthetic that can be complemented with accent colors for a modern or classic look.<br />The Effect of Lighting on Mood<br />Lighting significantly impacts mood and productivity:<br /><br />Natural Light: The most beneficial for human health, improving focus, enhancing mood, and regulating the body’s circadian rhythm. Large windows and mirrors can maximize natural light exposure.<br />Warm Lighting: Creates a cozy and relaxing ambiance, commonly used in living rooms and bedrooms.<br />Cool and Direct Lighting: Enhances concentration and alertness, making it suitable for offices and workspaces. However, excessive use may cause discomfort.<br />Conclusion<br />Interior design is a fundamental aspect of maintaining mental and physical balance. Colors and lighting can shape environments that inspire creativity or provide relaxation. A deep understanding of these elements can improve the quality of life, enhance productivity, and contribute to overall well-being.<br /><br />Sustainability Goal:<br />This article aligns with Goal 3: Good Health and Well-being of the Sustainable Development Goals, as it contributes to enhancing mental and physical well-being through interior environments that promote health. It raises awareness about the importance of designing comfortable and healthy spaces that improve the quality of life for individuals.<br /><br />Almustaqbal University , The number one university in Iraq.