Red colour is found to be the most intense colour that can attract attention and invoke strong emotions such as passion, love, or anger. colour analysts find red as the colour of power, courage, strength, and danger as well. Red colour is found to be effective at increasing appetite, imagine a red apple. It is also found to be effective at enhancing metabolism and regulating respiration rate, and blood pressure. Red colour is energizing, stimulating, vibrant, exciting, and motivating. Red infills you with confidence and makes you step out of your comfort zone.