Why do classic color wheels have actually yellow opposite come violet (purple), vice versa, graphics program such as Adobe Photoshop have yellow opposite to blue?

Yellow the opposite violet (purple):


Yellow opposite blue:



The timeless wheel is based upon pigments. It"s the mix the the main colors the creates the an additional and tertiary colour in the wheel. That"s your very first picture.

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The 2nd picture is based upon the RGB colors and are colors created by light; they"re not "mixed" together and technically don"t work the same way as pigments. It might be much better to call this wheel a spectrum 보다 a color wheel. By definition they"re no really complementary but opposite.

So in general, when human being talk around complementary, they still refer to the traditional model: purple and also yellow, orange and also blue, red and also green.

By the way, the "blue" indigenous the RGB wheel is still very close to it is in a violet in CMYK; however in RGB, it"s a blue. The violet top top the traditional wheel is likewise a really pale violet... The wheel listed below is closer come the real classic color wheel!


Source: www.quora.com/How-do-you-read-the-color-wheel

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edited Jun 23 "15 at 17:05
answered Jun 15 "15 at 18:53

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There are different color models which an outcome in different opposites.

One is a subtractive shade model (CMYK) -- the peak image, whereby the the opposite of yellow is purple. This is for real-world, tangible things choose paint, ink, etc.

The other is a additive shade model (RGB) -- the bottom image, whereby the the opposite of yellow is blue. This is because that light basically, screens, displays, bulbs, etc.

For much more information view here: What is the difference between CMYK and also RGB? are there other color spaces I must know?

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edited Apr 13 "17 in ~ 12:46

answer Jun 15 "15 at 18:52

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Becouse that is a color wheel intended because that kids. And also its roots are older than a contemporary understanding in color. Some timeless color paletes because that painters also use it, again becouse that is a traditional (but arcaic) knowledge of it.

The "modern well-known understanding" of shade comes with 2 inventions: offset color printing for photography, and color tv. Bofore that you can find textbooks saying that the rainbow has 7 colors.

Still, the top quality of the pigments for CMYK printing is evolving to achive much more consistent colors. Part years ago the combination of 100 magenta and also 100 cyan turned right into a an ext violet color. Currently the colors are better but still you don"t achive "pure blue" becouse the is no a direct mathematical proportion.

There space some other color models prefer Lab that has a range from yellow to blue and also red come green. The aproach is an ext "organic perception model". But this shade wheel is no that case.


Imagine how Painting (and painting materials) evolve (Not one acurate historic explanation, yet it quiet works). In ~ the start you had actually some charcoal to paint a cave. Later on you had actually some planet dust with some deer fat and you had actually some ocre colors.

Years pass and you find some insects or snails come pure pigments indigenous them.

You have actually some other pigments from combination from steels etc. The point is you had actually a minimal palete of phisical pigments to use. (A timeline of pigments http://www.webexhibits.org/pigments/intro/history.html)

Time after, when you describe things to her students, there has actually being a timeless model to combine existent pigments. The models built back then were perceptual and experience based.

For example the Fuchsine (magenta) dye was invented in the XIX Century. It could not make part of a shade wheel before that.

All the slow advancement makes the the shade theory and also color wheels have to evolve.

Popular perception

If girlfriend ask general population or a group of kids without any type of formal theorical understanding, they will say the the major colors are yellow, blue and also red... And the sky will be sky blue, no cyan, and also the magenta will certainly be a glowing pink.

But again, the traditional color wheel is just wrong.

See more: How Many Calories In A Double Cheeseburger Mcdonalds, Double Cheeseburger

Edited again:

The first one is referred to as RYB model. And it is charted together HISTORICAL model... "RYB predates modern-day scientific color theory". Https://en.wikipedia.org/wiki/RYB_color_model I entirely agree with that description.