Eva-Lise Carlstrom wrote:
>>I don't know whether you're talking about the same book (it doesn't really
>>sound as if you are). But it's certainly possible to be color-blind
>>without being blind.
Michal Kulczycki wrote:
>Only if shades are not considered colors. Picture without shades and/or
>colors is just a blank picture would you agree?
Shades are /not/ colors. Chromiance and luminance (wave length and wave
amplitude are two different things. Just ask your dog. I find it hard to
believe that a person in your professed area of expertise doesn't know
this.
Dan