DecoArt Americana Acrylic Paint is water based and suitable for many surfaces, including paper and porous surfaces, metal, Styrofoam, stone, and more. The colors are matte and permanent when dry, and are fully cured in 5 - 7 days. With more than 200 colors in the Americana line you're sure to find some that are suited to your project!
DecoArt does not recommend using these paints outdoors. The paint opacity varies by color.