[ sheyd ] noun
SHADES are created when black is added to any hue found on the colour wheel. This process darkens the hue and creates a more intense colour.
[ val-yoo ] noun
VALUE refers to the lightness or darkness of a colour. It indicates the quantity of light reflected in a colour. When referring to pigments, dark values with black added will change and/or adjust the SHADE/S of any given hue.