fosstodon.org is one of the many independent Mastodon servers you can use to participate in the fediverse.
Fosstodon is an invite only Mastodon instance that is open to those who are interested in technology; particularly free & open source software.
If you wish to join, contact us for an invite.
Opaque pink is definitely the winner, but I'm going to ask anyway. The "fluorescent pink" looks orange in reflected light, but when you look through it or put it on a white background it's clearly pink.