1)Value The lightness or darkness of tones or colors. White is the lightest value; black is the darkest.
2)Value is defined as the relative lightness or darkness of a color. It is an important tool for the designer/artist, in the way that it defines form and creates spatial illusions.
3) Contrast is a principle of art. When defining it,art experts refer to the arrangement of opposite elements (light vs. dark colors, rough vs. smooth textures, large vs. small shapes, etc.) in a piece so as to create visual interest, excitement, and drama.
4)A complementary color are a set of two colors that are straight across the color wheel from each other. Examples of complements are red and green, blue and orange, and yellow and violet. Neutral colors are created by combining even amounts of complements to create muddy earthy tones
5)Chiaroscuro. This is an Italian term which literally means 'light-dark'.
