Color.Lerp
static function Lerp(a: Color, b: Color, t: float): Color;
Description

Interpolates between colors a and b by t.

t is clamped between 0 and 1. When t is 0 returns a. When t is 1 returns b.
	// Converts a white color to a black one trough time.
	var lerpedColor : Color = Color.white;
	function Update() {
		lerpedColor = Color.Lerp(Color.white, Color.black, Time.time);
	}