In Order for Color Constancy to Occur

Multiple Choice

In order for color constancy to occur

A) the SPD of the illumination must be broad across the visible spectrum and there must be more than one surface color.
B) the SPD of the illumination must be monochromatic and there must be more than one sur- face color.
C) the SPD of the illumination must be broad across the visible spectrum and there must be only one surface color.