What Colour Is the Afterimage You See When You Look Away at the White Background?
Black
Yellow
Red
Another Colour
I Couldn't Make It Out
I Don't See An After-effect
Vote
View Results
See this poll on:
https://poll.fm/6817473/embed
Leave a Comment
Your Name
Please enter your name.
Email Address
Please enter your email address.
Your Website (optional)
Your Comment
Please enter a comment.
0
/4000 chars
Submit Comment
Leave a Comment