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Plant coloration and light

Ok, I need you all to clear up something.
Say you have the same species of plant, one in good light, and the other in less light. Which one would be darker green?
and Forget all other colors (red, yellow, etc) besides green because they're another story (they get darker red with more sun)
and has anyone noticed that house plants (full shade plants) are usually darker than full sun plants?
 
depends on species. most plants that normally grow in shaded areas are a dark green(pack in as many chloroplasts as possible i guess). extream high light plants placed in shaded areas generally get lighter colored from what ive seen, not sure why.
 
But strong light usually will also enhance any protective pigments, such as reds and so on.
 
Plants adapted to lower light conditions will actually appear brown as they absorb light in the green part of the spectrum. But if a plant has not evolved to produce brown pigments it should respond by attempting to get the most out of the light it can absorb--thus produce more chrophyll and thus appar more green.
 
There's an older topic where Adnedarne posted pictures of his Mexican pings, taken from greenhouse and another location. One set was reddish and the other green. He had us guess which came from where. Maybe he will see this and dig up the topic?
 
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