Yellows are a group of colors that range from light shades like lemon to deeper tones such as mustard. They are often associated with brightness and cheerfulness, making them popular in art and design. Yellows can evoke feelings of warmth and happiness, and they are commonly used in marketing to attract attention. In nature, yellows are frequently found in flowers like sunflowers and daffodils, as well as in fruits such as bananas and lemons. The color yellow is also significant in various cultures, symbolizing things like joy and optimism. Its visibility makes it a common choice for warning signs and safety equipment.