Thinking of 18 percent gray as reflecting an amount of light halfway between the amounts of light reflected by an all white object and the amount of light reflected by an all black object is a good way to visualize the concept.
(light; reflected; by an all white object and the amount of light) (light; reflected; by an all black object) (Thinking of 18 percent gray as reflecting an amount of light halfway between the amounts of light; is; a good way to visualize the concept)
light light Thinking of 18 percent gray as reflecting an amount of light halfway between the amounts of light
reflected reflected is
by an all white object and the amount of light
by an all black object
a good way to visualize the concept