code: protected void configureColor(ColorConfigurable configurable, String objectName) {
  		Assert.notNull(configurable, "configurable");
  		Assert.notNull(objectName, "objectName");
  
  		Color color = loadColor(objectName + ".foreground");
  		if (color != null)
  			configurable.setForeground(color);
  
  		color = loadColor(objectName + ".background");
  		if (color != null)
  			configurable.setBackground(color);
  	}
docs: Sets the foreground and background colours of the given object.
  Use the following message codes:
  
  <pre>
  &lt;objectName&gt;.foreground
  &lt;objectName&gt;.background
  </pre>
  
  @param configurable The object to be configured. Must not be null.
  @param objectName The name of the configurable object, unique within the
  application. Must not be null.
  
  @throws IllegalArgumentException if either argument is null.