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What Colors Do You See?
Posted: Fri Feb 27, 2015 8:40 am
by algale
For those who haven't yet run into this latest internet craze, there is a photo of a dress which is sparking a debate about its colors. Do you see white and gold or blue and black?
Here's the un-retouched photo:

Re: What Colors Do You See?
Posted: Fri Feb 27, 2015 9:35 am
by Gene Howe
What is the debate???
Re: What Colors Do You See?
Posted: Fri Feb 27, 2015 9:43 am
by algale
Gene, let's let the fun play out a little longer and then I will explain the debate for those who haven't already googled it.
Re: What Colors Do You See?
Posted: Fri Feb 27, 2015 10:18 am
by djr
black and blue
Re: What Colors Do You See?
Posted: Fri Feb 27, 2015 10:21 am
by algale
djr wrote:black and blue
Would you mind also putting your vote in poll (top of the page)?
Re: What Colors Do You See?
Posted: Fri Feb 27, 2015 11:05 am
by kablerj
I can't use the pole because as is, I see blue and gold. But if I frame it with my hands to block out the light around it, it looks white and gold.
Re: What Colors Do You See?
Posted: Fri Feb 27, 2015 11:30 am
by JPG
I would call it brownish gold with bluish white.
Totally dependent upon color rendering of the display and perhaps viewing angle.
Re: What Colors Do You See?
Posted: Fri Feb 27, 2015 12:10 pm
by charlese
Can't wait to see your explanation, algale.
The Dr. on the FOX News channel said this morning, it is 7th grade science. Although I was pretty good at 7th grade science, just don't remember how this light reflection works.
Re: What Colors Do You See?
Posted: Fri Feb 27, 2015 12:27 pm
by JPG
charlese wrote:Can't wait to see your explanation, algale.
The Dr. on the FOX News channel said this morning, it is 7th grade science. Although I was pretty good at 7th grade science, just don't remember how this light reflection works.
If you are looking at a display(light emitter) you are not seeing 'reflected light'.
A 'white' object reflects all colors. A 'black' object reflects none. One sees the reflected object as the the sum of all the reflected light. The appearance will also be dependent upon the light source.
i.e. a red object(appears red when illuminated by white light[evenly distributed wavelengths]) will appear white under red light, and will appear black under green light. A white object will appear to be the color of the light source.
In any event color is a perceived thing, regardless of its source.
That's the way I 'see' it!

Re: What Colors Do You See?
Posted: Fri Feb 27, 2015 2:08 pm
by rjent
Blue and black. I am in the minority .... as usual ... (my dad used to say something about a black sheep or something ....

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