A typical artist's color wheel displays twelve hues in their saturated state, along with tones, tints, and shades for each. 

Primary Colors - Red, Yellow, and Blue

Secondary Colors - Orange, Green, and Violet

Tertiary (intermediate) Colors - red-orange, red-violet, blue-violet, blue-green, yellow-green, and yellow-orange

Color Harmonies

Color Harmonies are groupings of specific hues and/or different values of one hue.There are several recognized color harmonies.
They are as follows:

Achromatic - a grouping of colors without hue; white,black,and any values.

Monochromatic - a grouping of different values of one hue, and which may include achromatic colors.

Diadic - two colors that are two colors apart on the color wheel.

Analogous - a grouping of three adjacent hues on the color wheel; one color dominates.

Extended Analogous - a grouping of four to five adjacent hues on the color wheel.

Complementary - a pair of hues directly opposite each other on the color wheel.

Near-Complementary - a hue combined with another hue which is on one side or the other of its direct complement.

Split-Complementary / Alternate-Complementary - a trio of hues, consisting of a hue and the two hues on either side of its direct complement.

Analogous Complementary - one hue, its direct complement, and the two hues on either side of the complement.

Double-Complementary - two pairs of complementary hues.

Triadic - a grouping of three hues which are equidistant on the color wheel.

Tetradic - a grouping of four hues which are equidistant on the color wheel; effectively, a double-complement.

Polychromatic - a multicolored grouping of many hues which may otherwise be unrelated.