Optical illusion renews blue and black dress debate nine years on Express.co.uk 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 The colour constancy explanation for #thedress. The image formed on the Download Scientific Diagram What I never understood was if some folk saw the original dress as white gold & some saw it as black blue then how do side by side images like this exist showing them as two Louisa Short Jersey Dress Navy Boden USA Why Is Everyone Obsessed With The Colour Of A Dress Anyway?