/// <summary>
		/// Converts CIEXYZ to CIELab structure.
		/// </summary>
		public static CIELab XYZtoLab(CIEXYZ xyz)
		{
			return XYZtoLab(xyz.X, xyz.Y, xyz.Z);
		}
		/// <summary>
		/// Converts CIEXYZ to RGB structure.
		/// </summary>
		public static RGB XYZtoRGB(CIEXYZ xyz)
		{
			return XYZtoRGB(xyz.X, xyz.Y, xyz.Z);
		}