Happy St Patrick’s Day! It seemed appropriate to honour St Paddy and those from the Emerald Isle with a blast of green today. I think Goethe got the feel of green exactly right in his Theory of Colours:

The eye experiences a distinctly grateful impression from this colour. If the two elementary colours [blue and yellow] are mixed in perfect equality so that neither predominates, the eye and the mind repose on the result of this junction as upon a simple colour. The beholder has neither the wish nor the power to imagine a state beyond it. Hence for rooms to live in constantly, the green colour is most generally selected.

And this is why walking in a forest of green trees, sitting on a grassy lawn, or strolling in a garden all make us feel happy. Now, where did I put that paintbrush?