The image features a vibrant, rainbow-colored number six. The number is stylized with a bold, sans-serif font, and it's outlined in a darker shade, making it stand out against the colorful background. The background itself is a gradient of colors, transitioning from a darker hue at the top to a lighter shade at the bottom, creating a sense of depth. The overall design is simple yet eye-catching, with the use of bright colors and a clear, unambiguous number six as the focal point.