Colors and the Color Wheel

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What two colors combines make a third color?

Yellow + Blue = Green
Blue + Red = Violet
Red + Yellow = Orange

(Primary + Primary = Secondary)

Define Color Terms:
Primary colors-blue, red and yellow are basic colors. Basic colors cannot be made.

Secondary colors-orange, violet and green are made by mixing two primary colors.

Cool colors-blue, green and violet are perceived as moving away from the observer in a painting.

Warm colors-red, yellow and orange warm colors seem to come forward toward the observer in a painting.
Hue is the name of a color.

Intensity is purity of color that is related to the brightness or dullness; can also mean chroma or saturation.
Value is the lightness or darkness of a color.

Tint is white added to a color.

Tone is gray added to a color.

Shade is black added to a color.

Neutral gray is an equal combination of black and white.

Color is composed of three components hue, intensity and value.

Gray scale is a unit of measure for color value that goes from 1 to 10. One is true black (100%) through 10 true white (100%).

Color Harmony
Monochromatic color is any tone, tint or shade of only one color.

Analogous colors refer to choosing colors that are touching each other on the color wheel. Analogous color use at least two colors and not more than five as suggested by the color wheel guide.

Complementary colors refer to choosing two colors straight across from each other on the color wheel. (Ex. red and green)

Split complementary colors refer to using any color with the two colors on each side of its complement. (Ex. red with Blue-green and yellow-green)

Triad colors refer to using three colors equally spaced apart on the color wheel. (Ex. violet with green and orange)

Tetrad colors are a combination of four colors on the color wheel that are also two sets of complements. (Example 1: Blue-violet and red with green and yellow-orange)

(Example 2: Blue-violet and red-orange with blue-green and yellow-orange)

Key color is the dominant color in the painting.

Reference: Color Wheel by the Color Wheel Company