Viral optical illusion reignites blue and black or white and gold dress debate The Mirror US Can you believe it's been 10 years already? In 2015, this dress a Blue And Black Dress Illusion TikTok Why nobody could agree on the color of that dress on X 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 TheDress one year on eight things we learned from the viral phenomenon Social media The Guardian