I find many customers have a hard time distinguishing green from yellow. (or
amber, orange, whatever you call it)
It’s easier if there’s a sample next to it, like a green power LED.
Also if there’s a brightness difference, like blue and white are generally
blindingly bright.
Also I hate it when manufacturers use colors but don’t follow the convention
that red is bad and green is good.
I am OK with Chuck’s POE line where Red is for Ubiquiti polarity and Green is
for Canopy polarity, although some could say this is discriminatory in light of
the red=bad, green=good convention.
From: Mathew Howard
Sent: Friday, September 11, 2015 2:43 PM
To: af
Subject: Re: [AFMUG] LED colors and color blindness
True, it's not nearly as big of a problem as on a radio, but if it's in a NEMA
box on top of a grain leg or something like that, it can still be a problem.
On Fri, Sep 11, 2015 at 2:39 PM, Josh Luthman <j...@imaginenetworksllc.com>
wrote:
In a cabinet though?
Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
On Sep 11, 2015 3:38 PM, "Mathew Howard" <mhoward...@gmail.com> wrote:
I don't know anything about colorblindness, but one mistake I've seen on
certain other products is using LEDs that are barely visible in daylight... so
that's another thing to keep in mind.
On Fri, Sep 11, 2015 at 1:55 PM, Forrest Christian (List Account)
<li...@packetflux.com> wrote:
A quick question for those who have problems distinguishing colors.... or
those who know about colorblindness.
Let's assume I need to add a set of indicators to some new products.
I'm considering using some multicolored leds (aka dual, tri, full) for
indication on a single led. For instance red might mean one voltage and green
another. Knowing what I know about colorblindness (think high school biology -
like 30 years ago), I realize that this would be a very bad thing to do - or at
least would be useless for some of my customers.
What I don't understand is if there are color pairs which are 'safe'.
I.E. red/yellow vs red/green. Or Blue/Amber, etc.....
So, now is the chance for all of you who can't distinguish led colors to
let me know what stupid things *not* to do. Or perhaps suggest what the best
options are.
--
Forrest Christian CEO, PacketFlux Technologies, Inc.
Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT 59602
forre...@imach.com | http://www.packetflux.com
