HR and Silver Tie

Today I had an interview in one of the major media company , while my interview was going on another candidate who wanted to ask something frm HR knocked on the door , HR responded to him and once he was gone out , she looked at me said " Silver Tie ... huh" I immediately looked down to re assure that my Tie color was not silver and thanked God that I was wearing a blue tie , may be lession for life no silvr Ties in HR interviews for me !