Colour Shingle (standard colour) Shell Silver Birch Cobble Shale Old Chalk Dove Grey Honed Slate Lead Light Snow Powder Blue Alpine Aqua Blue Lily French Grey Moss Cactus Mist Fog Smoke Charcoal Salt Pink Peppercorn Paprika Juniper Driftwood French Grey Walnut Calico Cotswold Limestone Sage Mustard Peat Fine Mahogany Old Rose Chestnut Burnham Red Flax Blue Teal Blakeney Blue Navy Ink Saffron