Awareness of the outside world. John Downer Productions: Spy creatures go undercover into the animal world! Wildlife spy cams, with videos. Hat tip to M.
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The effect of border color on image. Colors sampled from photo.
Green from the eye. [Eyes on the Cat Pause]
Black from around the eye.
Brown from fur above the eye.
Side-by-side comparison.
Update. Surprised at the effect of screen size on this post. The difference between the photos is more noticeable on my desktop. They kinda blend together on my phone. Note on how the sausage is made. Draft on desktop. Proof on desktop. Don’t see the post on a phone screen until after it goes up. There is a way to proof a phone screen. My posts are not usually so visually dependent that I need to incorporate this extra step. But I digress. Check the post out on a large screen, if you have not.
Onwards!
Katherine
Virtual Brush Box 
I like the green. I really pulls the focus toward the eyes.