Golden Acrylic paints..... www.goldenpaints.com
On the top of each paint tube they have a series of black lines and a swatch
of color from that paint tube overlaying the black lines. This helps you
identify have opaque the color is. It's a great brand and a nice company to
work with. On there website they have a list of stores that carry their
paints and or you can order directly from them.