GREX Brand of airbrush paint, "Private Stock," is an easy to use system of premium acrylic colors designed for multi-surface applications.  The paint comes in 1 oz. (30mL) bottles, and 2 oz. (60mL) and the Combo Pack includes not only the Primary Colors, but also includes three additional colors, and includes the following:

GXPS-110 / Phthalocyanine Blue

GXPS-105 / Naphthol Red

GXPS-102 / Arylide Yellow

GXPS-108 / Quinacridone Magenta

GXPS-200 / Carbon Black

GXPS201 / Titanium White