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  Roy

  17 years ago

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  There's a neat workaround I've dsicovered for those annoying red/green LEDs: 3D glasses.
  
  if you compare the light through the red and green lenses of the glasses, then you can identify the colour by which lens the light appears brighter through. I might just tape some coloured filters over all my LEDs to turn them 'off' when they're a certain colour!

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  kdb

  17 years ago

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  Good point about the red/green LED switch, Roy. Being colorblind, that is something that has always been an issue. I had trouble with most every image in the link above. I always have to make sure that I get the RGB/CMYK values for renderings of things, packaging, etc. Even if I think I'm really close, colorblindness always makes me second guess yourself. That link above was great, though. All the images looked the same to me, and my coworkers just couldn't comprehend that I couldn't tell the difference.

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  Fred Schechter

  17 years ago

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  I'm sure any of my fellow classmates are laughing if they see my name here.
  As for "levels" of colorblindness. In the link above I personally only have trouble with three of the attached image groups and can see all the rest. If a designer notes that they are colorblind, it is likely they have issues with either a particular hue set (red/green is common) or are only "levels of color blind, the biggest issue is to let them tell you, and ask what colors they do have the issue with (they'll know 90% of the time).
  
  They don't mind getting a little help, when there's simply no way to actually verify with their own colorblind eyes. The use of photoshop, pms, cmyk, and rgb (thanks eyedropper!) are very useful tools, but even still if a color blind person uses these tools, aside from being handed a spec. to use that particular color they cannot be sure that what they see is truly what is desired (though they are very very close). It is nothing they can do anything about, so have a heart,, (they just might know a process you'll need to know later).
  
  
  
  -(obligatory inside joke, pulltrusion)

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  Roy

  17 years ago

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  This seems like a good opportunity to issue this plea to all industrial designers:
  
  PLEASE stop letting gadgets get to market that contain LEDs that switch from green to red. The light these emit is at just the right saturation for the difference in hue to be almost completely undiscernable to red/green colourblind people such as myself. So the next time you give that battery charger a red light for when its charging that, hours later, instantaneously changes to green for ready, just don't!

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