Editor toolbar font colors doesn't function correctly

[wildblueworld]

Now you're using Invision Community? Is that a different platform than vB?...

[wildblueworld]

I wish this discussion had more content -- I am very interested in this topic. I'm one of the admins on a vB forum that has existed since 2005.
Our stats:
Threads: 26,276, Posts: 312,111,...

[wildblueworld]

I tried disabling ALL our plugins, but that didn't fix the problem....

[wildblueworld]

Here's a shot of our custom BB Code -- not much here, but this is the menu where the color selection tool is broken....

[wildblueworld]

Here are our current plugins. See anything here that we should kill or update or that might be causing conflicts?

[wildblueworld]

Any hints as to where I should be looking? I don't mind doing the work, I just don't know where I should be looking.

[wildblueworld]

We've done some customization over the years (I'm not the only guy who has touched this). The two that might be most relevant are the strike-through and YouTube buttons in the next row in the same editing...

[wildblueworld]

We're on PHP 5.6 -- we just upgraded so we could install vB 3.8.11. To be clear, the problem was occurring before we upgraded our php version....

[wildblueworld]

We've been having a problem with the editor bar function when you create a post. It's been broken for several years, but we were on an old version of vBulletin. I thought it might get fixed when we updated....