So, Here is another shot for you to check out. Click the image. It will enlarge. Then, use your fingers or two pieces of paper to isolate the blue / blue green by forming a narrow slot through which you can only see the blue / blue green. You’ll see.
I am still bowled over by this illusion !
I am painting. But this is really important to all painters to understand what happens to color on their canvas. I’ll be posting some paintings to see in the next day or two. In the meantime, be well!