title: How to change image color in openlayers3?
body: <p>I am new to openlayers3. I am showing point as a image but I want to change color of image dynamically.Is it possible in openlayers3 or have any other facility like canvas in openlayers3?</p>
  
  <pre><code>var iconStyle = new ol.style.Style({ 
      image: new ol.style.Icon(/** @type {olx.style.IconOptions} */ ({
           anchor: [0.5, 46], 
           anchorXUnits: 'fraction', 
           anchorYUnits: 'pixels', 
           src: 'data/icon.png' 
      })) 
  }); 
  </code></pre>