enum ExcelColorIndex
    {
        Black = 1,
        White = 2,
        Red = 3,
        BrightGreen = 4,
        Blue = 5,
        Yellow = 6,
        Pink = 7,
        Turquoise = 8,
        DarkRed = 9,
        Green = 10,
        DarkBlue = 11,
        DarkYellow = 12,
        Violet = 13,
        Teal = 14,
        Gray25 = 15,
        Gray50 = 16,
        MediumBlue = 17,
        Plum = 18,
        White2 = 19,
        LightTurquoise = 20,
        DarkViolet = 21,
        Salmon = 22
    }