so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions Viral 'Blue and Black or White and Gold' dress marks 10 years YouTube The dress was a 2015 online viral phenomenon centred on a photograph of a dress. Viewers disagreed on whether the dress was blue and black, or white and gold : r wikipedia The actual dress was black and blue. The confusion came from how lighting and color perception tricked people's brains, making some see it as white and gold. It became a viral example Shop Hadassa Dress In Blue Mosaic Tile on Sale at BeyondStyle Get 35% Off Hadassa Dress In Blue Mosaic Tile with Limited Time Flash Deals, Exclusive Discounts, and Special Offers. Enjoy Unbeatable Can you believe it's been 10 years already? In 2015, this dress a blue and black dress illusion TikTok