Nearly all computers over the last five to ten years come standard with support for at least 16-bit color, with newer computers supporting 24-bit and 32-bit color. Is there a different between the different levels of color? The short answer is yes. All three color depths use red, blue and green as standard colors, but its the number of color combinations and alpha channel that makes the difference. Whether you are viewing pictures, watching a video, or playing a video game a higher color depth is more visually appealing