We'd like to know more. What device are you using? Do you see the same across devices/browsers? We've checked and could see the thumbnails at better quality. Keep us posted.
@TeamYouTube Why do my thumbnails appear faded and desaturated. This is really affecting my CTR. Fix it ASAP.pic.twitter.com/d1MromblzA
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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