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:
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