Hotline is hot pink. There is no mistaking it for anything else. This bright, shocking color is just the thing for the flashy sports car of your dreams. Hotline can be used over any undercoat color but works best over white. Turbo Dork paints are made of a mixture of pigments suspended in an acrylic medium plus additives that make them fast-drying, water-soluble when wet, and water-resistant when dry. The Metallics contain pigments and small mica flakes that create a sparkling effect on the paint surface making it look like metal.Formulated for airbrush use, but may also be hand brushed.