title: Add a new column for color code from red to green based on the increasing value of Opportunity in data frame
body: <p>I have a data frame and I wanted to generate a new column for colour codes which stars from red for the least value of <strong>Opportunity</strong> and moves toward green for highest value of <strong>Opportunity</strong></p>
  <p>My Data Frame -</p>
  <pre><code>State       Brand       DYA  Opportunity    
  
  Jharkhand   Ariel     0.15   0.00853    
  Jharkhand   Fusion    0.02   0.00002
  Jharkhand   Gillett   0.04   -0.0002
  </code></pre>