A few days ago I earned my first bronze tag badge on the google-spreadsheets tag:
I had to give almost 100 answers to gain the corresponding up-votes. On the chat I was telling that you can earn the informed badge in under 1 minute, but it will take almost 4 to 5 months to earn the bronze tag. Apart from it having no oak leaves/ribbons (plus not being aligned properly), I don't think it stands out as it should be.
Super User (random example) and Stack Overflow have a clear distinction between normal badges and tag badges:
I'm in favor of having a different background color for tag badges on Web Applications as well.