Today’s rainbow will have only three colours: red, yellow and blue. Why? Because they are the primary colours from which all other colours can be made.
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All over the world the colour yellow is associated with the sun and its life-giving warmth. It’s the colour of optimism and the coming of spring sunshine. But it’s also an attention-getter. We humans use it for warnings, while the animal world does much the same.
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The colour yellow seems to divide opinion. Van Gogh loved it, but another artist, Degas, described it as ‘a horrible thing’. In colour psychology it is regarded as the colour of the mind and the intellect. It is optimistic and cheerful. However it can also suggest impatience, criticism and cowardice.
