Colors have also a natural functions - like indicating that certain creatures are poisonous or that a fruit is ripe and has reached the right ‘color’ to be eaten.

So some color combinations are more appealing or ’safer’ for us. So beauty is not just in the eye of the beholder, but also in our instincts what is ‘good’ and ’safe’ for us.

But the same color can have totally different meanings: you would eat a deep green Granny Smith apple, but you wouldn’t bite a green snake - would you?