title: FPDF background color not changing
body: <p>Hi i am using FPDF i have some problem regarding setting background color.</p>
  
  <p>currently i am using</p>
  
  <pre><code> $this-&gt;_FpdfGenerator-&gt;SetFillColor('239', 0, 0);
  </code></pre>
  
  <p>also i have tried this</p>
  
  <pre><code> $this-&gt;_FpdfGenerator-&gt;SetFillColor(239, 0, 0);
  </code></pre>
  
  <p>but background color is not changing.</p>