After having your picture taken with a yellow flash, you momentarily see blue spots floating before your eyes. This phenomenon is BEST explained by

Question

Quizplus · Accepted Answer

The opponent process theory explains this phenomenon, as it suggests that colors come in pairs, and exposure to one can lead to afterimages of the other. In this case, yellow and blue are opponent colors, so a yellow flash can cause blue afterimages.

After Having Your Picture Taken with a Yellow Flash, You