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Until now, the only dispute Oreos ever sparked was whether to dunk them whole or split.

But the cookie maker set off a furor when it posted a picture of a biscuit with rainbow-coloured filling, seemingly supporting Gay Pride.

The image shows a fake cookie with six layers of cream in rainbow hues and the words "June 25 Pride" and "Proudly support love!"

The rainbow-filled cookie has elicited much hate-filled response.

Since the image was posted to Oreo's Facebook page Monday, it has received more than a quarter-million "likes" and nearly 38,000 comments.

Some people pledged to boycott Oreo.

"Goodbye Oreo...Sad you just offended the majority of your consumer base to appease the few... So will you come out next witha pedophile cookie," Karen Rowley-Buffington said

But the issue is a black and white one, as there are an equal number expressing their unequivocal support.

"Well done for your courage Oreo. In the face of stupidity, bigotry and plain idiocy you have the courage to say what you believe in. And that cookie looks awesome," Sally Shakespeare wrote.

Alex West agreed, saying, "Your guys are awesome for doing this you guys have a customer for life."

With 26 millions fans on its Facebook page, Oreo is one of the most successful brands on the site, according to Adweek.

And, just in case you were hoping to try a rainbow Oreo, the company noted on the image that those colours "do not exist."