Yellow is a bright and cheerful color that is often associated with sunshine and warmth. It is one of the primary colors in the color wheel and can be created by mixing red and green light. In nature, yellow is commonly found in flowers like sunflowers and daffodils, as well as in fruits such as bananas and lemons. In psychology, yellow is thought to evoke feelings of happiness and optimism. It can stimulate mental activity and encourage communication. However, too much yellow can be overwhelming, leading to feelings of anxiety. Overall, yellow plays a significant role in art, design, and branding, often used to grab attention and convey positivity.