The basic purpose of designing a Landing Page is to direct your visitors' attention towards your conversion goal, get them to move towards your CTA and click it. That's the bottom line of every Landing Page out there.

It is in this pursuit that marketers put up unique and interesting copy on their website and go for big and bold colors when it comes to their templates.
 
Having catchy copy on your Landing Page helps attract visitors and so does having bright colors on your templates. However, when it comes to pulling your visitors' attention towards your conversion goals, these are the 4 Design Tips that really get the job done. 
  1. Surround Your Landing Page Elements With White Space
  2. Play Around With Contrasting Colors
  3. Make Use of Your Visitors' Visual Power
  4. Splash Some Colors on Your Landing Page

See : http://goo.gl/VGqyi