so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions Remember the dress debate of 2015? Was it blue and black or white and gold? This viral optical illusion took over social media, sparking debates worldwideeven celebrities joined in! It Happy 10th anniversary to the original photograph of "The Dress" and the subsequent internet debate over white and gold or black and blue : r popculturechat GLS GL3676 Ball Gown Long Applique Glitter Quinceanera Dress The Dress Outlet Royal Blue Gold Lace Formal Prom Dress with Long Sleeves XH1023 Sample Sale Dress 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