The popularity of oil colors can be attributed to its extraordinary versatility. It offers the artist excellent results from the traditional painting techniques of blending and glazing, impasto and scumbling. Oil color has a long open time which permits the artist to blend colors and glaze over a long period of time. Modifications can easily be made to the work as it develops while the color is still wet. Stretched and primed canvas is a traditional support for oil color. 24 color set.