Human hair color used in physical anthropology and medicine to determine the shades of hair color. The scale uses the following designations: A (very light blond), B to E (light blond), F to L (blond), M to O (dark blond), P to T (light brown to brown), U to Y (dark brown/black) and Roman numerals I to IV (red) and V to VI (red blond). Brown hair is characterized by higher levels of eumelanin and lower levels of pheomelanin. Of the two types of eumelanin (black and brown), brown-haired people have brown eumelanin; they also usually have medium-thick strands of hair. Brown-haired girls
Shades of blue right is displayed the color liberty. The first recorded use of "liberty" as a color name in English was in 1918. The source of this color is: ISCC-NBS Dictionary of Color Names (1955)--Color Sample of Liberty (color sample #196) Egyptian blue is a pigment that was used in Ancient Egypt. Ultramarine is a blue pigment in use since medieval times. Displayed at right is the colour neon blue. At right is displayed the color delft blue. At right is displayed the color duck blue. The source of this color is: ISCC-NBS Dictionary of Color Names (1955)--Color Sample of Duck Blue