title: Unity New UI Image changing Color not working
body: <p>im trying implement health to my player using unity new UI Image system.but its not working.can anyone help me.Thank you.</p>
  
  <pre><code>    using UnityEngine.UI;
  
   if (health_value == 3) {
               GameObject.Find("health").GetComponent&lt;Image&gt;().color.a = 1;
               GameObject.Find("health1").GetComponent&lt;Image&gt;().color.a = 1;
               GameObject.Find("health2").GetComponent&lt;Image&gt;().color.a = 1;
  
           }
  </code></pre>
  
  <p>im getting this error.</p>
  
  <pre><code>  error CS1612: Cannot modify a value type return value of `UnityEngine.UI.Graphic.color'. Consider storing the value in a temporary variable
  </code></pre>