Which of These Is Evidence Favoring the Opponent-Process Theory of Color

Multiple Choice

Which of these is evidence favoring the opponent-process theory of color vision?​

A) After staring at a bright-colored image, we see a negative afterimage.
B) ​From a distance, tiny blue dots appear to be black.
C) ​It is possible to mix three colors to match any other color.
D) ​We can still recognize all colors while wearing tinted glasses.