response: Why yes, it is a primary color in the RGB color model and the CMYK color model. It is the complementary color of cyan.
original_response: why yes it is a primary color in the RGB color model and the CMYK color model.  It is the complementary color of cyan
history: I love red color, is my favorite Oh, that's nice. Did you know it's at one end of the visible light spectrum, opposite violet? Yes, I did. Is red a primary color?
knowledge: It is a primary color in the RGB color model and the CMYK color model, and is the complementary color of cyan.