What colors are in this dress? That simple question has divided people into two irrationally passionate camps: white and gold and blue and ... version in the other color combination.

Millions joined in on the viral debate about the color of this $77 lace dress, made by British retailer Roman Originals. Some saw it as blue and black while others saw it as white and gold.

There is a definitive answer to the color question ... 70% of people who posted about the dress initially saw it as gold and white, not its true blue and black, according to Roman.

Our perception of color depends on interpreting the amount of light in a room or scene. When cues about the ambient light are missing, people may perceive the same color in different ways.

Our brains determine the color that we see by blending the signals ... "Other people are deciding that it is less illumination on a white/gold dress (it is in shadow, but more reflective)." ...

Great white dresses also make festive vacation pieces. Take Zimmermann’s tie-detailed embroidered dress or Cult Gaia’s ...

Millions joined in on the viral debate about the color of this $77 lace dress, made by British retailer Roman Originals. Some ...

Blue & black, or white & gold," the official Ellen Show account posted. Why did people see "the dress" in different colors? Due to differences in human color perception and the photograph's ...