According to the opponent process theory of colour vision, the correct pairings of opposite colours are ________.
A)black versus white, red versus green, and blue versus yellow
B)black versus gray and white versus coloured
C)greyscales, blue versus red, and green versus yellow
D)blue versus green and red versus yellow

Question

Quizplus · Accepted Answer

The opponent process theory suggests that there are three pairs of opposite colours: black versus white (or light versus dark), red versus green, and blue versus yellow. This means that when we view a colour, our brain also processes the opposite colour in the pair. For example, when we see red, we also process green, which is why staring at a red object for a long time can create an afterimage of green. Therefore, option A is the correct pairing of opposite colours according to this theory.

According to the Opponent Process Theory of Colour Vision, the Correct