// Converts a white color to a black one trough time.
var colorWhite : Color32 = Color.white;
var colorBlack : Color32 = Color.black;
var lerpedColor : Color32 = colorWhite;
function Update() {
    lerpedColor = Color32.Lerp(colorWhite, colorBlack, Time.time);
}

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    public Color32 colorWhite = Color.white;
    public Color32 colorBlack = Color.black;
    public Color32 lerpedColor = colorWhite;
    void Update() {
        lerpedColor = Color32.Lerp(colorWhite, colorBlack, Time.time);
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    public colorWhite as Color32 = Color.white

    public colorBlack as Color32 = Color.black

    public lerpedColor as Color32 = colorWhite

    def Update():
        lerpedColor = Color32.Lerp(colorWhite, colorBlack, Time.time)