The water is calm.
The water is dark in color. 
The sky is dark in color.
The trees next to the water are bare.
brown water of a lake
a ripply body of water
rippled surface of a body of water 
pale grey cloudy sky
green brown water in a lake
a park covered in leafless trees
a dark dirty river
The water in the river.
the sky above the water.
cloudy blue sky
a lake or river with trees lining both sides of the body of water