While there are other variables, a lot had to do with image size. The larger the file size, the longer it takes to download and display in the browser. The Netscape color tags have been officially accepted into the Level 3.2 standard. Most pages on the Web make use of background and text color tags. The number of possible color schemes is unlimited.
Some Web designers stick with a white background which gives their sites a clean, professional look.
Others step over the boundary of good taste and use ugly, eyestrain-producing color combinations or tiled backgrounds that make it impossible to read any text on the page. Some background and text colors will look just wonderful on some monitors and illegible on others. No wonder one RGB code looks pink on a Macintosh and yellow on a Windows monitor. Although they need special software to create and they can be easily inserted using the IMG tag. Since they are quick and fairly simple to create, many Websters incorporate them in their page.