I see the left image as gold and blue. But it's a very light blue which
I interpret as "probably really white" unlike the image at right which I
see as a much darker blue with black.
But I had seen the same image at left from a different source yesterday
and, although it had a blue cast the blue was very much lighter. My
visual interpretation was white dress showing blue cast because it's in
the shade. I think I would have interpreted the second, darker version
as light blue if I hadn't seen the earlier version.
Chuck Norcutt
On 2/28/2015 8:33 AM, C.H.Ling wrote:
No matter how non-scientific the image is, the blue is definately blue
and very blue according to the RGB values. To my eyes it is very blue
but many people see it as white that is a big question mark to me.
C.H.Ling
----- Original Message ----- From: "Chuck Norcutt"
<chucknorcutt@xxxxxxxxxxxxxxxx>
I'm not at all sure that we can trust what we're seeing to be the same
thing. If I load your link below
<http://www.bbc.com/news/uk-scotland-highlands-islands-31656935> into
Photoshop and sample the colors of each the readout tells me that my
eyes are seeing exactly what I should be seeing. The image at left
shows a white dress with a blue cast (roughly R=130, G=145, B=190)
whereas the image at right shows a clearly blue dress (roughly R=60,
G=70, B= 190).
So, if these are the same dress (and I assume they are) it's not me
that's confused, it's the white balance of the camera and any follow
on processing that has taken place. I will also note that the dress
at left in the same link is the same photo I had seen originally but
from a different source. This version I still interpret as probably
white but its blue cast is decidedly darker than the "same" image I
saw from the other source.
No doubt our visual systems are different but I'm not going to get
worked up about a clearly non-scientific color presentation.
Chuck Norcutt
On 2/28/2015 3:01 AM, C.H.Ling wrote:
It is not small proportion, the ratio is 75% wrong and 25% right with
statistics of hundred thousands of people.
http://www.buzzfeed.com/claudiakoerner/this-might-explain-why-that-dress-looks-blue-and-black-and-w#.uq2EZ6pZY
It is not related to colour blindness, the percentage of colour blind
peoples are much less than that.
The colours seem not marginal, the one who see white and gold is very
firm about it and it is the same the other way round.
Correct the white balance is not the point, the question is why we see
them differently even on the same monitor.
C.H.Ling
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