isHexColor = (object) => {
  if (typeof sNum !== 'string') {
    return false
  }
  return /(^#[0-9A-F]{6}$)|(^#[0-9A-F]{3}$)/i.test(object)
}
determine if input is a hex (color) or not
@param  {Object} object a string, array, object , whatever
@returns {Boolean} wether the input is a hex string or not