You may be puzzled by the headline of this post just as I was when I went on Twitter yesterday afternoon and saw tons of people tweeting and arguing about the color of a dress.

Huh?

The whole hullabaloo still seems bizarre to me, but I think it does offer an opportunity, especially for International Baccalaureate Theory of Knowledge classes, to use it for discussing Perception.

Here are a few quick links that I think TOK teachers might find useful:

What color is this dress? Weigh in on the photo everyone’s talking about is from NBC News.

12 fascinating optical illusions show how color can trick the eye is from The Washington Post.

Though I do think it’s useful in class, and I’ll be talking about it there today, I still do tend to agree with Paul Bruno here: