Question

A photographer is in a green field of grass on a sunny day. She decides to use a red camera filter to take a picture. What color does the green grass appear to be in the picture? Explain.

Answer 1

The answer is none-black
Explanation: Because red filter only allows red light pass through and the green light will not be transmitted.

Answer 2

Based on color theory it would come out as brown

Explination:

Basic color theory states the primary colors are red yellow and blue. Expanding that to the rainbow you know. Red plus yellow equals orange. Yellow plus blue equals green. And blue plus red equals purple. Red and Green are opposite colors and when you combine opposite colors you get brown