The principles behind MacAdam ellipse and what it means for lightingAre you getting colour mismatches with your chosen LEDs? In this article the experts at ROBUS tell us more about the principles behind MacAdam ellipse and what it means for lighting. “Red wire or blue wire?? Red or blue?!” We’ve all seen the movie moment. Not exactly everyday life for UK electricians (“Brown or blue?!” ...The post The principles behind MacAdam ellipse and what it means for lighting appeared first on Professional Electrician.