RGB stands for red, green and blue.
The combination of just three colors of light can produce more than 16 million visible shades. If three basic colors can generate that kind of complexity, imagine what a human face can affect with at least that many forms of expression.
When viewed environmentally, the surroundings force a broader interpretation of the subject’s appearance to encompass the circumstances around which a photo was taken. I’m most tuned into those native surroundings when traveling to destinations off the beaten path, both geographically and culturally. There may be as many habitats in which we exist, or at least ways we choose to identify, as there are forms of human expression.