The primary color of a lemon is yellow. This bright, cheerful color is often associated with freshness and vitality, reflecting the fruit's tangy, citrus flavor. Lemons are commonly used in cooking, beverages, and as a garnish, and their yellow hue makes them visually appealing in culinary presentations. The pigment responsible for the yellow color in lemons is mainly carotenoids, specifically lutein and zeaxanthin. Beyond their aesthetic value, lemons also provide significant nutritional benefits, including vitamin C, making them a popular choice for healthy diets worldwide, often used in both sweet and savory dishes.