If you buy something through my links, I may earn a commission.Y’all are loving my posts with breakdowns of dresses by color.

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.

For the record, the dress is definitely black and blue. But it appears white and gold to some people due to a phenomenon called color constancy and the way that our brains interpret colors.