Spectrum test

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4 months ago

We’re back to #TheDress today, but it’s for a cool reason. Promised. If you’ve been wondering why some people saw blue and black and other saw white and gold, another theory might explain it: the color receptors in your eyes.

After #TheDress went viral, a neuromarketing expert posted a controversial visual test on LinkedIn that shows the inner-workings of your eyes. By counting how many colors you see in the color spectrum below you can find out how many color receptors, or cones, you have.

Look at the graphic and take a count of the number of colors you see:

If you see fewer than 20 colors you’re what’s called a dichromat. Dichromats have two cones and make up 25% of the population.

If you see 20 to 32 colors, you’re with most of the population: trichromats. You’ve got yourself a trio of rods.

Count between 32 and 39 colors (the total count of colors on there) and you’re a tetrachromat with four types of cones in your eyes. Tetrachromats are rare and aren’t as easily tricked by optical illusions. To them #TheDress would have appeared to look like way more than just two colors.

Keep in mind, though, that glimpsing these colors on a computer can limit your ability to see the full color spectrum you would in the real world. It’s for this reason that critics are skeptical of the test. That said, we still think it’s pretty cool.

According to this test, how many cones do you have? And with them, what color was #TheDress? Let us know in the comments below.

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