This infamous dress has been taking over the internet this past weekend.
People have been seeing the colors white and gold, while other are black and blue
What’s so important about this dress?
It has to do with our eyes and Color constancy.
Basically The dress is Blue and black , however the lighting in the photo makes it look to some people with different eye perception white and gold.
Color constancy is an example of subjective constancy and a feature of the human color perception system which ensures that the perceived color of objects remains relatively constant under varying illumination conditions. A green apple for instance looks green to us at midday, when the main illumination is white sunlight, and also at sunset, when the main illumination is red. This helps us identify objects. – From wikipedia
This video explains it in more detail.