Contrast occurs when two elements are different. The greater the difference the greater the contrast. The key to working with contrast is to make sure the differences are obvious. Four common methods of creating contrast are by using differences in size, value, color, and type.Contrast adds interest to the page and provides a means of emphasizing what is important or directing the reader's eye. On a page without contrast, the reader doesn't know where to look first or what is important.ontrast occurs when two elements are different. The greater the difference the greater the contrast. The key to working with contrast is to make sure the differences are obvious. Four common methods of creating contrast are by using differences in size, value, color, and type.