In <[log in to unmask]>, on 08/04/99
at 01:50 AM, Uzi Paz <[log in to unmask]> said:
>On 3 Aug 99, at 11:38, Timchenko Maxim
><[log in to unmask]> wrote:
>> On Tue, 3 Aug 1999, Uzi Paz wrote:
>>
>> > I guess that in 24bit color graphics:
>> > 8 bits are telling me the strength/luminosity of the blue color,
>> > 8 bits are telling me the strength/luminosity of the red color,
>> > 8 bits are telling me the strength/luminosity of the yellow (or green)
>> > color.
>> >
>> > 1) Am I right?
>> > 2) Green or Yellow?
>> > 3) If I am right then how this goes with 16 or 32bit color? 32 and 16
>> > are not a multiplicity of 3.
>>
>> 1. Yes
>> 2. Green. Yellow is part of the negative scheme used in print (CMYK)
>[...]
>I guess: CMYK: C=Cian, M=Magenta, Y=Yellow, K=?
>I guess: Negative Scheme : due to the fact that in printings the
> background (i.e. no color) is white while in monitor the
> background (i.e. no color) is black.
Cyan, Magenta, Yellow, blacK. It is subtractive system, but CMY
together produce dark brown due to pigment limitations. The fourth
color allows a true black to be printed. Technically, the
backround color is irrelevant, since it is covered by the pigment,
unless you want white.
jan lambert
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