Private Channel Icon is Unclear

The private channel at a glance looks as if to suggest that you cannot access the channel, when in fact it just means that some other people cannot access the channel. This information usually isn't relevant to the average user, and it might be better to have some other visual indication within the channel itself, such as some text in the channel name header (on the channel's main page after selecting it). The confusion, in my eyes, stems both from the lock symbol and the fact that the # symbol is a darker colour, similar to a muted channel, which implies that the channel is supposed to be "out of the way" or otherwise unseen.

Of course this is a very minor problem, and many users will realise quickly that they can actually browse these channels, but to me it seems like an unnecessary element that could be changed to improve the UI ever so slightly.