Even though I know the dress factually is blue and black, I think a white and gold version should be made, because it’s pretty.

And it should also be photographed in such a way that it appears to be blue and black.

Night owls tended to see the dress correctly.

It has something to do with how good people are at looking at visual keys in the picture to determine the color.

All colors are pervieved relatively. Vsauce on YouTube has a good video on this

Brain storm