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Hot and Cold Colours

By: Mike Watson - Updated: 20 Aug 2012 | comments*Discuss
 
Hot And Cold Colours

Colours are often perceived as having associations that are not immediately linked to their actual material existence. For example green is associated with nature and foliage, even though the green you see might be a ‘green sports car’, something that we have learned can be directly damaging to the environment.

For some people other colours evoke moods (such as light blue, which evokes calm, and orange which causes agitation), whilst for others colour can even evoke musicality, or smells. The way in which these visual impressions can merge with other sensory perceptions is very subjective, and is felt very strongly by some people, and hardly at all by others.

The association of certain colours with heat and others with cold, however, is universal (barring some people that experience colour blindness). Reds, oranges and yellows tend to be classed as ‘hot’ or ‘warm’ colours, whereas greens and blues tend to be considered to be ‘cold’ or ‘cool’. White and black can both be considered either hot or cold, depending on the image they are contained within (for example, white can symbolise snow, or extreme ‘white heat’).

The Science Behind Hot and Cold Colours

Whether a colour appears hot or cold does not only indicate how we associate that colour in terms of the perceived temperature of the scene depicted in a painting or coloured drawing. It also affects how we perceive distance, as warm colours always ‘come forward’ in a painting, whilst cooler colours ‘recede’.

This can be seen in any accomplished landscape, where the background will gradually be painted bluer, the further and further back that the image is depicted. It must also be added, that as colours are relative to each other, not only must one remember that the bluest colours recede, and the reddest come forward (in our perception), but that any colour next to a vibrant red (red being the colour that comes forward the most) will tend to appear to stand behind that red, and so on. This means that if you wish to depict a blue figure in front of a redder colour, you may wish to play significantly with scale to evoke this effect. Alternatively, you apply a thin red glaze (see related article on glazes) to the blue to bring it forward.

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