title: PHPExcel: How to get a CELL COLOR
body: <p>I am using PHPExcel project, but I am having a question in mind, and without solution on the earth.</p>
  
  <p>I had googled for this question for a while, but I CAN NOT find a way to get a CELL BACKGROUND COLOR!</p>
  
  <p>I tried to use the method 'getColor()' or what ... it doesn't work or just shows the warning message...</p>
  
  <p>Can somebody please tell me how to get a CELL COLOR using PHPExcel? THANKS</p>