Logo’s are the trademark of your business, they should be designed for both printing purposes and web purposes. If you already have a business but not a web based business, your logo needs to be in electronic format. If you are a new business you need to consider both an electronic and a print version.
For the web, logo creations have endless possibilities as they can be in full colour and/or animated. Some customers choose to have related versions but one with lots of style and colour for the web and one that is easy and cheap for printing purposes and letterhead.
You also need to consider when you decide on colours for you web page and how your logo will blend into the site.
Now you need to think about your background colours!