[ExI] The color Brown

Brent Allsop brent.allsop at gmail.com
Fri Feb 14 22:52:14 UTC 2020

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

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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