Sky of blue, sea of green, in our yellowish submarine

07 August 2015 - 02:06
By Sarah Knapton, © The Telegraph

Humans see colour differently in summer, with yellow seeming more green than in winter, scientists have shown. Researchers at York University, in the UK, looked at how colour perception changes between seasons and in particular how humans process a colour known as "unique yellow".Humans identify four hues - blue, green, yellow and red - that do not appear to contain mixtures of other colours.

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