Improve randomness of contact colours

    }

    private fun generateColor(recipient: Recipient): Int {

        val first = recipient.contact?.name?.firstOrNull()

                ?: phoneNumberUtils.normalizeNumber(recipient.address).firstOrNull()

                ?: '#'

        val index = first.hashCode().absoluteValue % randomColors.size

        val index = recipient.address.hashCode().absoluteValue % randomColors.size

        return randomColors[index]

    }

}