[ExI] The color Brown

[Brent Allsop]

I hate it when spell correction changes colerness to coolness.

On Fri, Feb 14, 2020 at 3:52 PM Brent Allsop <brent.allsop at gmail.com> wrote:

>
> If you distinguish knowledge of reality (qualia) from reality (light) none
> of this (including all the optic illusions, and problems with color's
> people think are "weird".  It is so absurd that everyone thinks they know
> what color any of this stuff is.  Nobody knows what is brown, or any of the
> other colors.  Light sure doesn't have any of those physical qualities.
>
> Why is it that nobody can acknowledge that we don't' know the coolness of
> anything?
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> On Fri, Feb 14, 2020 at 3:43 PM John Clark via extropy-chat <
> extropy-chat at lists.extropy.org> wrote:
>
>> There is no such thing as brown light. You will never see a brown LED.
>> You will never see a brown LASER. You will never even see a brown pixel on
>> your computer screen. You may object to that and say you've seen brown
>> images on your screen all the time, and that's true but what you've really
>> seen is dim orange areas on the screen that your brain interprets as brown,
>> and you only know it's dim because of the context. The orange needs to be
>> surrounded by something much brighter. Like all colors (and like everything
>> else) brown needs contrast, but that fact is most easily demonstrated with
>> brown.
>>
>> There is a very good video on this subject:
>>
>> Brown: color is weird <https://www.youtube.com/watch?v=wh4aWZRtTwU>
>>
>> Incidentally the fruit "orange" didn't get its name because of its color,
>> instead the color got its name because of the fruit. Before the 16th
>> century when orange trees were brought to Europe there was no specific name
>> for that color, people just called it yellowish red.
>>
>>  John K Clark
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>>
>
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