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## Color Theory – The World of Colors

If we look around us, we will see that we are surrounded by numerous colors. The magnificence of these colors enlivens our every moment of the day. But when we try to depict our imaginations in form of sketches or drawings, it becomes really difficult for us to choose the befitting color for particular objects. For this purpose, it is necessary for us to understand the color theory. These theories can make us understand the blend of colors to be used.

The theory of colors first appeared in the writings of Leone B. and notebooks of L.D.Vinci. But, the traditional theory begins in the 18th century with Isaac Newtons theory of colors and nature of so called primary colors.

The color theory is formulated in three sets of primary colors:-

Red, Green, Blue

Cyan, Magenta, Yellow, Black

Yellow, Red, Blue

Any color can be obtained by mixing the primary colors. For example, we get violet by mixing blue and red, orange by mixing yellow and red or black by mixing red green and blue.

When it comes to mixing of color paints, Newtons color wheel is often referred. Newtons color wheel is used to describe complementary colors, which are colors that cancel each others hue to produce achromatic mixtures which are white gray or black. The wheel is designed in such a way that colors exactly opposite one another cancels out each others hue. And this conjecture was later proven to be the basic fact of color vision.

The key assumption in the Newtons color wheel was that the maximum saturated colors are located on the outer circumference of the circle, while achromatic white is at the centre. The saturation of mixture of two colors was predicted by the straight line between them and the mixture of three colors was predicted by the center of the triangle formed by joining the points on the wheel.

According to traditional color theory, which is derived from paint mixtures, yellow mixed with purple, scarlet mixed with blue, or magenta mixed with green produces an equivalent gray and are the painters complementary colors. These contrasts form the basis of color contrast: colors that appear together will be altered as if mixed with the complementary color of the other color.

Moreover, these color theories are not only used by the artisans in the works of art but it also has a vivid range of utilities in other fields. Now while Yellow, Red, Blue primary color set are used by painters to get different colors and shades, the Red, Green, Blue primary color set is used in electronic media for generating television images or images on our computer screen.

These theories are also used in printing which enables us to see a blue print of all the incidents happening round the world on our newspapers. Printing uses a cyan, magenta, yellow, black color based wheel. In 20th century, color theory also attempted to link colors to particular emotional or subjective association like red is sensual, arousing, feminine color while blue is contemplative. So, colors also have different psychological effects in human beings.

The Color Theory has still been in much discussion and researches are being done to use color theories in new ways to our benefit.

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