OT: Colorblindess (was Re: [TriLUG] Mandrake/Redhat usability.)

[Jeremy Portzer]

On Mon, 2002-10-07 at 14:20, Tanner Lovelace wrote:
> On Mon, 2002-10-07 at 10:57, Glenn Hennessee wrote:
> > There is a free plugin for photoshop which will show an image as a
> > colorblind person would see it. The homepage is http://www.vischeck.com/
> > They also give some info and links to info about colorblindness. Another
> > interesting website is http://newmanservices.com/colorblind/default.asp
> > where you can paste html and it will show you how the page will look to a
> > color blind person. The numbers I have seen are around 10% of the male
> > population and 0.5-1% of females (it is a recessive gene on the X
> > chromosome).
> > glenn
> 
> What kind of colorblindness does it show?  From what I understand
> (and I may very well be mistaken in this), there isn't just one
> kind of color-blindness (not even one red-green colorblindness).
> Is this picture just going to make the image grayscale?  Remove
> the red or green channels?  Or does it actually give you the 
> option to try out different versions of colorblindness? (That
> would be cool.)

Not trying to be snide here, but all it takes is a click on the URL to
find out! :-)  Yes, it does give you the option to try out different
versions of color-deficient vision (the PC term) -- the VisCheck site
shows two forms of red/green deficiencies and a rare yellow/blue
deficiency.

--Jeremy