Yeah, I had that trouble with the old Cabletron (Enterasys) network management 
software. About 6% of Euro-American males suffer from Deuteranopia. I cannot 
see the difference between dark green and dark red. Bright green and bright red 
are better. It was not possible to adjust the Cabletron software. Contrary to 
popular belief, most of us can easily tell the difference between red and green 
traffic signals.

Color-proficient readers can get an idea of our disability from this website 
that sells Photoshop filters for graphics artists:

http://www.vischeck.com

Check out the Examples.


matthew black
california state university, long beach



-----Original Message-----
From: Betsy Schwartz [mailto:betsy.schwa...@gmail.com] 
Sent: Friday, August 31, 2012 1:30 PM
To: nanog@nanog.org
Subject: Re: Color vision for network techs

 I installed monitoring software with different colored status dots,
and discovered that we had three color-blind team members. After a
pleasant hour's tweaking I ended up with green diamonds, red X's,
purple squares, and yellow exclamation points (and on this particular
application a mouse-over would also tell you the name of the color
gif) Looked better for *everyone*.




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