function _0xColorToHex(color, convertToStr) {
        var hexColor = tinycolor(color.replace("0x", "#"));
        hexColor._format = "0x";

        if (convertToStr) {
            return hexColor.toString();
        }
        return hexColor;
    }
Converts 0x-prefixed color to hex
@param {string} color - Color to convert
@param {boolean} convertToString - true if color should 
                                   be returned as string
@returns {tinycolor|string} - Hex color as a Tinycolor object
                              or a hex string