A darker shade of blue is navy blue with the letter N. The pigment got its name from Latin, from the pomegranate fruit. Leaders are credited with wearing this color. In English, navy blue is navy blue, and the name comes from the dark blue uniforms that British naval officers wear. It is a color associated with elegance.
Hazelnut is a color whose name starts with the letter N. It is one of the shades of brown. To illustrate it, you can think of the color of a walnut shell. It is a very common name in the hairdressing industry. It can have lighter and darker pigments.