The main material's color.
using UnityEngine;
public class Example : MonoBehaviour { // Fade the color from red to green // back and forth over the defined duration
Color colorStart = Color.red; Color colorEnd = Color.green; float duration = 1.0f; Renderer rend;
void Start() { rend = GetComponent<Renderer> (); }
void Update() { float lerp = Mathf.PingPong(Time.time, duration) / duration; rend.material.color = Color.Lerp(colorStart, colorEnd, lerp); } }