Context: Matisse was also one of the first 20th-century artists to make color the central element of the painting, chosen to evoke emotions. "A certain blue penetrates your soul", he wrote. "A certain red affects your blood pressure." He also was familiar with the way that complementary colors, such as red and green, strengthened each other when they were placed next to each other. He wrote, "My choice of colors is not based on scientific theory; it is based on observation, upon feelings, upon the real nature of each experience ... I just try to find a color which corresponds to my feelings."

Question: During which century did Matisse work?
Answer: 20th

Question: Placing red and green next to each other causes their color to be what?
Answer: strengthened

Question: What color did Matisse say could penetate ones soul?
Answer: blue

Question: What color did Matisse claim would impact ones blood pressure?
Answer: red

Question: What part in the paintings of Matisse did color play?
Answer: the central element

Question: Who was the first to make color the central element of the painting?
Answer: Unanswerable

Question: What theory did Matisse say his choice of colors was based on?
Answer: Unanswerable

Question: Who was the first 20th century artist to use color for feelings?
Answer: Unanswerable