It tarnishes the neutral tone of the color.
It tarnishes the neutral tone of the entry.
Rather they tarnish it and dishonor the profession.
In the meantime, it won't tarnish the reputation or anything.
Defamation means tarnishing the reputation of someone.
Persistent rumours of corruption tarnished the image of the Government.
Deletion would tarnish the image and reputation of the project.
The article doesn't try to tarnish the image of India.
It will not fade or tarnish, and is safe from the dampness, wind and rain.
It is bizarre to claim that the public comments somehow tarnish the source.