Video: Essentials of the Pen and Pencil Tools
Game: Play the Pen Tool game
Hue: The property of color that distinguishes one gradation from another and gives it its name.
Color Scheme (Harmony): the choice of colors used in design.
Monochromatic: One color that is modified by changing the value and saturation of the hue by additions of black and white.
Warm Colors: Those colors in which yellows and reds are dominant.
Cool Colors: Those colors in which greens and blues are dominant.