Wedding dress years. Many wedding dresses in China, India (wedding sari), Pakistan (heavily embroidered shalwar qameez or lehngas) and Vietnam (in the traditional form of the Ao dai) are red, the traditional colour of good luck and auspiciousness. Nowadays, many women choose other colours besides red. In modern mainland Chinese weddings, the bride may opt for Western dresses of any colour, and later don a traditional costume for the official tea ceremony. In modern Taiwanese weddings, the bride generally picks red (following Chinese tradition) or white (more Western) silk for the wedding gown material, but most will wear the red traditional garment
The dress first large-scale scientific study on the dress was published in "Current Biology" three months after the image went viral. The study, which involved 1,400 respondents, found that 57% saw the dress as blue and black; 30% saw it as white and gold; 11% saw it as blue and brown; and 10% could switch between any of the colour combinations. A small number saw it as blue and gold. Women and older people disproportionately saw the dress as white and gold. The researchers further found that if the dress was shown in artificial yellow-coloured lighting almost all respondents saw the dress