Answer:
opponent-process theory
Step-by-step explanation:
Based on the information provided within the question it can be said that this perceptual phenomenon is best explained by the opponent-process theory. This theory explains that when one color pair is activated it triggers activity from another pair, meaning that the three opposing color pairs ( blue/yellow, red/green, and black/white) are all linked together. Which is why Sharon saw red when looking at a white surface.