Color32 can be implicitly converted to and from Color.

	// Convert a Color32 to a Color
	var color : Color = Color32(128, 255, 128, 255);

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    public Color color = new Color32(128, 255, 128, 255);
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	public color as Color = Color32(128, 255, 128, 255)