Answer:
I'm not sure if you need to fill in the blank, but if you do it's contrast. To create emphasis using contrast, an artist might use different shades of gray in a black and white drawing.
Answer:
Yellow would best describe childhood because yellow usually symbolizes happiness, warmth and sunshine.
Orange would describe teenage hood becuase it usually symbolizes creativity, youth and enthusiasm.
Blue would describe adult good because it gives you the sense of responsibility.
Explanation: