You have been watching an undersea documentary. For the last 30 minutes, as it gets more exciting, you find yourself staring nonstop at the blue screen. To rest your eyes, you look away and stare at your white wall. First, given your knowledge of how color vision works, what color would you expect to see when you stare at the white wall?

faint orangish afterimage

Explanation:

If you stare at a color for a while and then shift your eyes away to a white piece of paper, you will see a different color than what you were first looking at. This is known as an afterimage.

If you look at a blue screen and then shift your gaze to a white wall, you will see a faint orangish afterimage.

The color you see when you look away is the original color's compliment. Complimentary colors are opposite of each other on the color wheel.

depends on what they need

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