Notice (8): Undefined variable: color [APP/Template\Pages\myshow.ctp, line 2]

Hi,

I am using CakePHP3.0 getting

Notice (8): Undefined variable: color [APP/Template\Pages\myshow.ctp, line 2]
how can fix this error?

Here is my full code:

<?php
namespace App\Controller;

use Cake\Core\Configure;
use Cake\Network\Exception\NotFoundException;
use Cake\View\Exception\MissingTemplateException;
class PagesController extends AppController
{

    /**
     * Displays a view
     *
     * @return void|\Cake\Network\Response
     * @throws \Cake\Network\Exception\NotFoundException When the view file could not
     *   be found or \Cake\View\Exception\MissingTemplateException in debug mode.
     */
    public function display()
    {
        $path = func_get_args();

        $count = count($path);
        if (!$count) {
            return $this->redirect('/');
        }
        $page = $subpage = null;

        if (!empty($path[0])) {
            $page = $path[0];
        }
        if (!empty($path[1])) {
            $subpage = $path[1];
        }
        $this->set(compact('page', 'subpage'));

        try {
            $this->render(implode('/', $path));
        } catch (MissingTemplateException $e) {
            if (Configure::read('debug')) {
                throw $e;
            }
            throw new NotFoundException();
        }
    }
	
public function myshow() {
$this->set('color', 'pink');

      $this->render();
    }
}




src\Template\Pages\myshow.ctp

<?php
echo $color;

?>
test

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