<dt>

</dt><dd>Contains unread posts</dd><dt>

</dt><dd>Contains no unread posts</dd><dt>

</dt><dd>Hot thread with unread posts</dd><dt>

</dt><dd>Hot thread with no unread posts</dd><dt>

</dt><dd>Thread is closed</dd><dt>

</dt><dd>You have posted in this thread
Hmm I'm not sure why these came out offset, but hopefully this will help. I think they are a bit difficult to decipher because they are small and fairly faint. There have been a lot of complaints about them so hopefully they are on the list of fixes.
As far as I have figured out, the only colors you can change are the ones on your profile page.</dd>