code: function updateHighlight( event ) {
  		// Convert to event.
  		!event.name && ( event = new CKEDITOR.event( event ) );
  
  		var isFocus = !( /mouse/ ).test( event.name ),
  			target = event.data.getTarget(),
  			color;
  
  		if ( target.getName() == 'td' && ( color = target.getChild( 0 ).getHtml() ) ) {
  			removeHighlight( event );
  
  			isFocus ? focused = target : hovered = target;
  
  			// Apply outline style to show focus.
  			if ( isFocus ) {
  				target.setStyle( 'border-color', whiteOrBlack( color ) );
  				target.setStyle( 'border-style', 'dotted' );
  			}
  
  			$doc.getById( hicolorId ).setStyle( 'background-color', color );
  			$doc.getById( hicolorTextId ).setHtml( color );
  		}
  	}
docs: Apply highlight style.