In which the subtle interplay of light and semi-transparent media reveals a primordial phenomenon whereby colours arise through contrasts of brightness and obscurity, inviting the earnest observer to discern nature’s elemental truths without seeking causes beyond immediate experience. Herein, the effects of refraction through transparent media are explored, demonstrating how the displacement of circumscribed objects engenders the appearance of colour at their edges, a delicate dance of blue and yellow hues that unfold with each shift in perspective.