Which of the Following Description About Color Wheel Is Appropriate

Multiple Choice

Which of the following description about color wheel is appropriate?

A) The two colors on the circumference of the color wheel and are opposite in position cancel each other out;
B) Black is at the center of the color wheel;
C) Base colors on a color wheel are white, black and red;
D) A color is defined by hue, brightness and contrast;
E) The black color in a color wheel is obtained through combining all colors on the circumference.