I remember the first time this did the rounds. Someone found a way to trick your eyes into seeing the other color. They flipped it upside down to sort of detach it from what you already associated and began by zooming way in on the part what looked most blue or white (the idea being if you normally see one you watched them zoom out from the one that looks most like the other). It was like magic. It was the only time I was ever able to see it as white and gold. It's the sort of thing I always understood on paper (and even I can see the black part is sort of a very dark brownish goldenrod sort of) but seeing it was amazing.

It sort of reminds me of Outer Wilds, which I know is a weird reference. There's a part of the game where you're going over the scientists of old's research and they find things going into black holes come out slightly before they go in. But they insist they want to actually see it with their eyes so they don't believe it's just a rounding error. The machine they have to demonstrate this is still working and sure enough you can interact with it too and see your probe come out before it goes in.

Yeah it was popular for a minute back like in 2013 I think, give or take 1-2 years.

That one is easy, on the left is black and blue and on the right white and gold

I've seen the original one back when it was first popular, still couldn't understand the white and gold people

I've always been able to see both colors of the dress by changing the size of the image, so the phenomenon "made sense" to me, but I legitimately have no idea how that image is supposed to explain it lol. There's two different colored dresses with seemingly random parts highlighted with different colored boxes.. are they supposed to look the same in the highlighted area or something?

What'a always bothered me is, the lighting in the original is so ridiculously blown out that it MUST be blue and black! It could only be white and gold under very dark lighting which is clearly not the case. Unless maybe people are thinking the front is in shadow...?

Same! I got my brain to see it that way once after trying for like 30 minutes, but never again.

First day I saw this dress and thought it was white and gold. Next day I saw another picture that was blue and black and I couldn't unsee it. I went and found the same picture from exactly that source I saw the other day. It was blue and black. My brain broke.

Here's one to ponder: we assume the data related to our brain from our sense gives us an accurate idea of what's around us. But from an evolutionary standpoint, that is irrelevant - our senses keep us alive, that's all.