Mineral is a deep dark shade of grey that is underpinned with warm tones. Creates impact with its deep richness. Porter’s Paints colours are truly original and can only brought to life in Porter’s finishes. Our signature earthy, complex colours are created by our expert colourists, factory tinted for accuracy and convenience, using our unique tinting system. Porter’s colours are formulated to respond differently to changes in light, a distinct difference between our colour and others.