getColorParamsSchema = (requireHash) => {
  const colorPattern = Joi.string().pattern(new RegExp(`^${ requireHash ? '#' : '' }[0-9A-Fa-f]{3}([0-9A-Fa-f]{3})?$`))
  return {
    themeColor: colorPattern,
    pngColor: colorPattern,
    splashscreenColor: colorPattern,
    svgColor: colorPattern
  }
}
When generating the profile file, we don't want to validate with # on the hex color.
When generating the icon, we're expecting a hash on the color (automatically added to user input via the CLI)