The white space you leave can help you increase the impact of your message. Too much information may distract the reader from the message you really want to convey. Give your graphics and type some room on the page to breathe. White space can be used to emphasize your elements and help guide your audience through the design. Use color to set your document apart from the others Color will increase the impact of your document.
Colored ink can highlight borders, rules or deadlines.
It can also be an organizing element used to departmentalize the document or to draw attention to certain areas. Even colored paper can have an effect on the reader, but use color sparingly. Too much color will cause it to loose impact. Color gains impact when used selectively. Bright colors indicate excitement and subdued colors can add dignity.