Wasn't sure where else to ask this, but I have just finished The Interaction of Colors, which is an excellent book by a Bauhaus legend. I had one glaring issue which I wanted to bring up-- in one of the plates demonstrating the concept of colors influencing each other, the author asserts that the small squares in the below screengrab are exactly the same color.

note artifacting errors caused by sub par scanner, but I wanted to include a prop for show and tell.


As you can see, even with the knowledge that colors can influence each other and present illusions, that it doesn't look like those squares are the same color.

I have read that later editions of this book (this particular edition is a later edition) suffered from reproduction errors, and this may be one such error. Does anyone have a picture of the original or some insight into what color the small squares actually would be?

  • I don't know the book in question but for those sorts of optical illusions, you normally need three colours with a mid colour that is somewhere between the other two. There are a few examples of the principle that this looks like it's supposed to illustrate in this answer to another question "How to use poor colours well" Commented Dec 31, 2013 at 14:54
  • Are you able to quote the except of text?
    – JohnB
    Commented Dec 31, 2013 at 16:07
  • @JohnB I could include a screengrab of the opposite page, but there's not much text, and it does not list the three colors presented, it just says there's three of them.
    – GPP
    Commented Jan 4, 2014 at 6:41


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