Though it's got some quirks, Dougie's Color Picker is an easy way to test out color combinations for your web pages. Choose different web-safe colors for your background, text and links and get a preview of what the colors will look like together. This page shows the web-safe colors organized by value, from lightest to darkest. Take a break and see what others are doing. Optimizing the Design - This site contains a lot of information on how to optimize your web page designs.
Information includes how to keep pages looking good and downloading fast.
Users will view your pages on a variety of browsers and at different screen sizes. With a little planning, your pages can look good no matter what the browser or screen size.