Are things clear........in black and white......or are they fuzzy......like 50 shades of grey.........grey and silver, very similar colors..................the silver line in the dc metro.........the newest line.......grey.....the color of the South.......a rebellion in Star Wars........................

Red, yellow, blue, and green are still widely considered the four psychological primary colors, though red, yellow, and blue are sometimes listed as the three psychological primaries, with black and white occasionally added as a fourth and fifth.

Primary color - Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/Primary_color

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Are Black & White Colors? - Color Matters

www.colormatters.com/color.../are-black-and-white-colors

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These three, red, blue, and yellow, are known as the primary colors. Now that we've described two different categories of colors (pigment and light-generated) and have a definition of primary colors, the answer to whether black and white are colors can be answered.

Why are white and black not primary colors? - Quora

https://www.quora.com/Why-are-white-and-black-not-primary-colors

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Because black and white can both be created by mixing colors. Black is a mixture of equal amounts of red, blue and yellow. White is the mixture of seven colors(VIBGYOR). There are three primary colors red, blue and yellow.