What Colors Are This Dress? Fierce Internet Debate Is Sparked By Two-Tone Outfit

What colors are this dress?

It is the question that has sparked a fierce internet debate, with users taking to social media to argue over whether the two-tone frock is white and gold or blue and black. 

The picture of the dress was first posted on Tumblr by Caitlin McNeill, a 21-year-old aspiring singer from Scotland, after noticing her friends saw different colors in the photograph. 

The image quickly became an online sensation, with posts debating the dress's original colors - and science behind the apparent color discrepancy - soon being viewed times.