Different colors are variations of light that our eyes perceive. Each color corresponds to a specific wavelength of light, with red having the longest wavelength and violet the shortest. Colors can be categorized into primary colors, such as red, blue, and yellow, which can be mixed to create secondary colors like green, orange, and purple. Colors play a significant role in our daily lives, influencing emotions and behaviors. For example, blue is often associated with calmness, while red can evoke feelings of excitement or urgency. Understanding colors can enhance design, art, and communication, making them essential in various fields.