It posted a picture of the famous English sheepdog it uses in adverts getting a pretend tour of New White Hart Lane.
But as comments from fans started to roll in, the brand’s responses took an unexpectedly sarcastic turn.
Responding to one message asking whether the Dulux dog could play centre back, it said: “He might do a better job.”
Another post asked if the brand planned to repaint the trophy cabinet, prompting a reply that surfaces should be “dust free” before painting.
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A third comment showed an empty trophy cabinet for sale.
The unusual responses were quickly deleted, but fans of rival clubs were quick to join in.
We’re deeply sorry for the posts from Dulux this morning in response to the announcement of our relationship with @SpursOfficial.These do not reflect how proud we are to be the Official Paint Supplier of the Club. We’re investigating what happened and apologise to all Spurs fans.