OT: Question about RGB color method

Matimus mccredie at gmail.com
Tue Apr 10 21:47:12 CEST 2007


On Apr 10, 12:32 pm, John Salerno <johnj... at NOSPAMgmail.com> wrote:
> Sorry for this non-Python question, but since it's computer related I
> know you guys will have an answer, and I don't really know where else to
> ask. Mainly I'm just curious anyway.
>
> I'm wondering, why do computers use a RGB color scheme instead of the
> primary colors? Is there something you can't do with yellow? It seems
> weird that RGB can be combined to make all colors, when that's supposed
> to be the job of the primary colors. I'm sure there some technical
> computer-related reason that it had to be this way.
>
> Thanks.

See the Wikipedia article on primary colors: http://en.wikipedia.org/wiki/Primary_colors

The quick answer is that RGB is a method of additive color mixing, and
RBY is subtractive (and its not really RBY but YCM). Also, the colors
emitted by your monitor are Red, Green and Blue.




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