In The Spirit of American Naturalism: Winslow Homer

 The Water Fan, 1898
Sailing The Catboat, 1875

Feeling the difference in the chill of the water from the paintings from the north, and the warmth of the paintings from the tropics, and the darkness of the sea after a storm.
It is like different shades of gray, that react to the colors around it in a way that transforms it. Warm or cool gray, heather or matte...