Throughout history, the colour red has had two opposing connotations; good and bad, love and anger. Either way it is certainly the colour of passion and strong emotion, and is one of the oldest colours used in art. Unlike the colour blue, red pigment exists in abundance in nature—from human and animal blood to red dirt and metals. Ochre, a clay coloured red by iron oxide, was ground up and used as body paint and … Continue reading A Brief History of the Colour Red