Definitions of terms as they relate to watercolor
Hue -- The name of a color, such as red, blue, yellow, green, orange, etc.
Intensity -- The strength, brightness, or purity of a color; its chroma.
Saturation -- The measure of brilliance or purity of a color.
Value -- The lightness or darkness of a color; pure colors will vary greatly in value.
Primary Colors are those hues that cannot be mixed from any other colors-- red, yellow, and blue. From these primaries, most other colors can be mixed. Secondary Colors are the resulting hues of mixing two prima ries in equal amounts. (R+Y =Orange, Y+B=Green, B+R=Purple)
Intermediate Colors are products of mixing one primary and a secondary. (R+O=Red-Orange, Y+O=Yellow-Orange, etc.)
Tertiary Colors are products of mixing two secondary colors. (O+G, O+P, G+P, etc)
Complementary Colors are two hues directly opposite each other on the color wheel. Complement to a primary color is the combination of other two primaries. Complement to Red is Green (Y+B), to Yellow is Purple (R+B), to Blue is Orange (R+Y). Neutral Hues are the results of combining all three primaries in various amounts, thus neutralizing the intensity and saturation of a hue. Combining a primary with its complement results in a neutral hue.
Temperature "The warmth or coolness of a color; also relative terms in comparison to other colors in context.