Color is quite possibly one of the strongest elements in web design. It colors the way that viewers approach the website, does this to their feelings and at times even to their ability to act. Whether you are a newcomer at website creation, or whether you are redesigning your website, you must have knowledge in color theory. And this guide is intended to give an introduction to color theory in web design and some advice on where to go next. What is Color Theory? Color and its different modes of combination is known as colour theory or the psychology of human color perception. It involves the use of a color wheel; this is the wheel that comprises the primary, secondary and tertiary colors. These colors can be combined in a way to form a number of schemes that call in certain kinds of feelings or reactions.