Colour and meaning - GREEN

Colour and meaning - GREEN

Since I’ve started geeking out on colours and their meaning and effects on behaviour, I've become more and more interested in how they can be applied to children's behaviour. There are so many examples and experiments out there over the years, links between colour and behaviour are becoming more recognised and theory has been applied in interior design for professional and medical environments for many years, but it is only now that it is being applied to home interiors products for kids.

Individual colours do have different effects on behaviour, due to both psychological and physiological factors - how the brain and eyes process the "colours" they see. Find out more in the colour science section on, but in the meantime, here are some interesting factoids about colour that I've learnt about that I thought you might find as interesting as I did!


Green is generally the colour of nature, which is why people list it as their second favourite colour after blue. It has similar qualities to blue, in that it can feel calming and restful, but is that just because of the association with nature, or is it something else? Well, this one is interesting, but also slightly complicated, and it’s down to how our eyes convert, ultimately, the wavelength of light, as that’s what a colour is, into our eye, for it to be processed by our brains.

Green is the one colour which requires the least processing, because is it closest in wavelength to one of the three receptors (cones) in our eyes. Still with me? It literally goes straight from object > eye > brain, therefore requiring less energy to process it. How fascinating!!

So, in short, green is regarded as the best colour to use in a bedroom where a calming environment is needed. Creating a room which feels like the outdoors, indoors while demanding little energy by the brain is the perfect combination.

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  • Joanna Dunn