Hope it is not possible in Tableau, need to workaround for this,,
I wish it was possible, but don't think Tableau supports conditional background coloring of dimension items.
When saying something is not possible, it often encourages other to prove that it is possible by showing workarounds.
Hopefully this will also be the case for your question.
While waiting, you might like to look at suggested solutions in similar questions:
The specified item was not found.
If you're talking about a Measure Names/Values table built like this:
There is no way to directly color the Category dimension. However, there are various ways to make Tableau do this, here's a thread that describes how and links to other techniques (it's one of the ones in the list that @kettan linked to).