Gdk.Color[] colors = new Gdk.Color[8];
        colors[0] = new Gdk.Color() { pixel = 0, red = (ushort)0x0000, green = (ushort)0x0000, blue = (ushort)0x0000 };
        colors[1] = new Gdk.Color() { pixel = 0, red = (ushort)0x8000, green = (ushort)0x0000, blue = (ushort)0x0000 };
        colors[2] = new Gdk.Color() { pixel = 0, red = (ushort)0x0000, green = (ushort)0x8000, blue = (ushort)0x0000 };
        colors[3] = new Gdk.Color() { pixel = 0, red = (ushort)0x8000, green = (ushort)0x8000, blue = (ushort)0x0000 };
        colors[4] = new Gdk.Color() { pixel = 0, red = (ushort)0x0000, green = (ushort)0x0000, blue = (ushort)0x8000 };
        colors[5] = new Gdk.Color() { pixel = 0, red = (ushort)0x8000, green = (ushort)0x0000, blue = (ushort)0x8000 };
        colors[6] = new Gdk.Color() { pixel = 0, red = (ushort)0x0000, green = (ushort)0x8000, blue = (ushort)0x8000 };
        colors[7] = new Gdk.Color() { pixel = 0, red = (ushort)0x8000, green = (ushort)0x8000, blue = (ushort)0x8000 };