Camera.backgroundColor
var backgroundColor: Color;
Description

The color with which the screen will be cleared.

Only used if clearFlags are set to CameraClearFlags.SolidColor (or CameraClearFlags.Skybox but the skybox is not set up).
	// ping-pong animate background color
	var color1 : Color = Color.red;
	var color2 : Color = Color.blue;
	var duration = 3.0;
	
	// Set clear flags to color
	camera.clearFlags = CameraClearFlags.SolidColor;
	
	function Update () {
		var t : float = Mathf.PingPong (Time.time, duration) / duration;
		camera.backgroundColor = Color.Lerp (color1, color2, t);
	}
See Also: camera component, Camera.clearFlags property.