unity generate random color

//using Color
Color randomColor = new Color(
	Random.Range(0f, 1f), //Red
	Random.Range(0f, 1f), //Green
	Random.Range(0f, 1f), //Blue
	1, //Alpha (transparency)
);

//using Color32
Color32 randomColor = new Color32(
	Random.Range(0, 255), //Red
	Random.Range(0, 255), //Green
	Random.Range(0, 255), //Blue
	255, //Alpha (transparency)
);