How to acsess the renderer of an Instantiate()

I need to acsess the renderer of an object that I Instatiate() and It keeps saying that "renderer" is not a member of "Object".`enter code here`

See the code below for the script. Thanks!

     #pragma strict
     var xpos : float;
     var spawnpoint : Vector3;
     var coin : GameObject;
     var rotation : Quaternion;
     rotation.eulerAngles = new Vector3(0, 0, 0);
     var newCoin :Object;
     
     function Start () {
     InvokeRepeating("CreateCoin", 1, 1);
     }
     
     function Update () {
     Destroy(GameObject.FindWithTag("Coin"),10);
     }
     
     function CreateCoin(){
         xpos = Random.Range(-50.0,50.0);
         spawnpoint = new Vector3(xpos, 80, 0);
         
         var myColor : Color;                       // This is just working for another part of my script, Please Ignore.
         var mode : boolean = Random.value > 0.5f;
         var rand : float = Random.value;
         var index : int = Random.Range( 0, 3 ); 
         myColor[index] = rand;
         myColor[( index + ( mode ? 1 : 2 ) ) % 3] = 1;
         myColor[( index + ( mode ? 2 : 1 ) ) % 3] = 0;
         
         newCoin = Instantiate(coin, spawnpoint, rotation);
         //newCoin = newCoin as GameObject; 
         newCoin.renderer.material.color = myColor;
         
     }