Warning: a contrarian anecdote: I worked with a guy who was a hardcore ultra-nationalist, bordering on nazism. As one would expect, he did perceive many aspects of the world in black-and-white. The catch is, the guy is an excellent digital painter, and his work often involved nuanced analogous color schemes, which rely on using shades of one or more similar colors.
Warning: a contrarian anecdote: I worked with a guy who was a hardcore ultra-nationalist, bordering on nazism. As one would expect, he did perceive many aspects of the world in black-and-white. The catch is, the guy is an excellent digital painter, and his work often involved nuanced analogous color schemes, which rely on using shades of one or more similar colors.