Archived posting to the Leica Users Group, 2011/01/28

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Subject: [Leica] An unusual visual phenomenon
From: imagist3 at mac.com (George Lottermoser)
Date: Fri, 28 Jan 2011 12:44:31 -0600
References: <AANLkTiktcTv-zGMt28scRocnMzhkKwscDxX8vRBpOL=7@mail.gmail.com>

On Jan 28, 2011, at 8:56 AM, Lawrence Zeitlin wrote:

> Does anyone have an explanation?


color perception is always affected by surrounding colors.
Light tints will generally be most affected.
< http://en.wikipedia.org/wiki/File:Optical_grey_squares_orange_brown.svg>
<http://en.wikipedia.org/wiki/Optical_illusion>

If you placed the snow and the envelopes on a perfectly neutral gray
you'd perceive the cool/warm white color difference

Regards,
George Lottermoser 
george at imagist.com
http://www.imagist.com
http://www.imagist.com/blog
http://www.linkedin.com/in/imagist







In reply to: Message from lrzeitlin at gmail.com (Lawrence Zeitlin) ([Leica] An unusual visual phenomenon)