Color rendering is actually fairly unpredictable across various graphical Web clients. Interested readers may want to visit a site called Through the 6x6x6 Color Cube . An extended discussion of the 216 dither-proof colors, along with several elaborate demonstrations, are available at that site. Because of the basic distribution of different kinds of visual receptors inside our eyes, there is simply no way to juxtapose text and animation without having them compete with each other visually. The more lively or the more numerous the animations, the greater the competition.
Animations are certainly popular, but pages peppered with motion are nearly impossible to read.
Animations may improve your coolness quotient, but they drive your readability index straight into the ground. Scrolling text, blinking text, animated gifs, and server-push animations all make a page inherently more difficult to read. Focusing on readability does not mean abandoning aesthetics. But a reader-friendly approach to Web design respects the diversity among Web client programs and recognizes the difference between visual enhancement and visual assault .