Its red green and blue, why are people so stupid? When you try and tell someone that it isn't yellow, and that its green, they freak out, because they've been taught their whole life the false idea that its yellow.

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RYB are the primary colors because you can mix yellow and blue to make green.

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If you guys are confused, go here then...
http://www.konica.co.jp/english/color/color1.html

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RGB are the three colours produced and used by every single display device(monitor, TV, etc) since colour tv was invented. But the agreed upon primary colours, that have existed since man painted on cave walls are RYB.

Rachael if you don't believe me, look it up. See, you can't possible mixe Red, Green, and Blue pigments to make the base colours of paint you need. That can only be done with RYB, how do you make orange with out yellow, and how do you make yellow with green and blue. . . green and blue make brown, and if you keep adding green it just becomes aqua and if you keep adding blue it just gets darker and darker till it becomes black. Only an electronic display device can use RGB properly, that's why RGB are not the primary colours.

Why do you think that colour printer cartridges don't use red green blue. . . they ALL use Red Yellow Blue. I should know. . . we refill them at work.

[edit]

Huh. . . just found out something. . . both are right. RYB are the primary colours as are RGB. Know why? RGB when mixed in equal parts make white, and RYB when mixed in equal parts make black. RGB are the additive primary colours and RYB are the subtractive primary colours. In painting and art subtractive principle of mixing, in physics the additive principle of mixing. Go here for a really good explanation
http://www.xterna-net.de/~r.strasser/colour1.html

So there you go rachael. . . neither answer to the question is wrong.

[ 08-29-2001: Message edited by: AcidWarp ]

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“I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.”

“Intelligence is the ability to adapt to change.”

The RYB you're talking about, is on pigments. When you add colors on paper, of course its darker. We're talking light... RGB = light primary colors, the true primary colors of science. CVY, subtractive is only for computers and stuff, subtractive meaning the method which the image is draw. Subtractive can't exist in nature or in real life, it doesn't make sense. But with pigment, RYB is a totally different thing.

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quote:

---

Every
theory of
colours tries to find elementary/basic rules
of colours and their effect, to make the handling of colours
easier.
The first step is to
determine the socalled primary
colours,
with which one can mix any other shade.
In contrast to physics
the primary colours in painting are yellow, red and blue. (In physics red, green and blue -
look at your RGB-monitor.) This results from the different
methods of mixing colours. In physics it's common to use the
additive principle, in painting the
subtractive one.

---

quote:

---

Today
cyan, magenta and yellow
are used as the primary colours. You can find them e.g. in
printing technology (CMY + K, black, to get a better
contrast, the darker colour tones and the colour black for
itself).

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quote:

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This is an annotation to the article I posted:

The basic colour wheel of Itten is good in
principle
BUT
when it comes to Primary colours it is more
accurate to have a red that is magenta (ie crimson or
Red-blue shade), a blue that is cyan (ie turquoise or
blue-green shade) and yellow (ie lemon yellow or yellow-green shade).

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All the above quotes are from the article I posted.

CMY are have replaced RYB for pigment mixing, but they are the same thing. Cyan(blue) Magenta(red) Yellow. The CMY colours produce a better contrast than the traditional RYB and that's why they are used in things like colour printers

quote:

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All colors can also be produced through a mixture of yellow(Y), magenta(M) and cyan(C). These three colors produce a black color when blended in equal amounts.
They are known as the subtractive primary colors, and they form a complementary color relationship with B, G and R, respectively (opposite colors, or negatives).

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That's from that Konica link you posted Rachael, a simple inference is all that is needed to see that the CMY and RGB are BOTH primary colours. . . they are just flip sides of the same coin. Violet is a mixture of red and blue. . . and there fore is a secondary colour.

[ 08-30-2001: Message edited by: AcidWarp ]

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“I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.”

“Intelligence is the ability to adapt to change.”

i posted the wrong thing in the wrong post..and i cant delete this one. [ignore]

I am a graphic designer - so i have the right to say this :P

I've had nearly 3 years experience in all this and WHAT COUNTS in the REAL WORLD is CMYK.

Why i hear you ask? Because the CMYK process allows the blending of 4 colours to make ANY combination possible. The 4 colours can also be replaced with any 1 colour mixed from scratch which makes like a hell of a lot easier than RGB - where the colours created from the combination are VERY limited.