Completely transparent. RGBA is (0, 0, 0, 0).
// clear the color of this transform's material
transform.renderer.material.color = Color.clear;
using UnityEngine;
using System.Collections;
public class example : MonoBehaviour {
void Example() {
transform.renderer.material.color = Color.clear;
}
}
import UnityEngine
import System.Collections
class example(MonoBehaviour):
def Example():
transform.renderer.material.color = Color.clear