Thursday, June 18, 2009

Colours And The Colour Wheel!...

By Anna Meenaghan

A colour wheel consists of two halves. One side has the warm colours, which seem to come forward, namely red, orange and yellow. In the other half of this wheel you have the colours which create a coolness about them, blue, violet and green, and these seem to retract.

This is very useful, say, if you are doing trees in a landscape picture. If you use blue and green for the distant trees it would make them look as if they are receding. Now, colours which are into opposition to each, otherwise known as complementary colours.

So, in this scenario where you put them next to each other, colour will take over and dominate. To produce vibrancy and contrast to your picture, this can give you good effects.

Bear in mind that light is the main way we perceive colour all about us. To a lot of people red is red, blue is blue etc., but it does not stop there, you only need to look at the sea or the skies to decide upon that.

Or look at the ocean with differing shades of blues, greens ect. How we see these in our minds eye, is down to the light.

Take a rainbow when the sunlight goes through the raindrops, this is when you get the spectrum. So, if you put these colours into a ring, you have a colour wheel. So, let`s move to colour mixing!

The primary colours and also the, what we call pure colours, are red, yellow and blue. Note these shades cannot be made up from any other colours. Orange, green and violet are the secondary colours, with these are made from a 50/50 ratio of the two primary colour neighbours in the circle.

To take this one step further, you can mix the secondary colours with any of the three primary colours. Turquoise being what occurs if you mix blue with green. If you look at the colour labels on paints, it seems the names seem to stem from precious stones and plants.

You may have noticed that there is no black or white in the circle. As if the light beams on to something it will swallow up some of its wavelengths and then white will rebound to make up the colour that we see.

Therefore white is a mix of all the colours with black being a missing colour as it draws all the colours up.

How about trying to see how many shades of brown you can make just from different mixes of the primary colours?

By now you must surely agree that colours are vital to our work. I think it is fantastic that they can be used to portray so many things. Emotions, space, realism, excitement, just some things that come to mind. However, they can also be vibrant, dull, opaque, impasto, textured, matt, gloss, flat translucent, light or dark. - 16887

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