 I need to brainstorm a list of words writers can use to describe skin colors without comparing them to food or drinks. Can you give me a list that covers the full spectrum of skin tones from light to dark, including various undertones and a brief explanation of what the words mean in a literal sense?
Here’s a list of words that can be used to describe skin tone that have nothing to do with food or drink: 

-Russet (A reddish-brown color)
-Fawn (A light tan color with yellow undertones)
-Bronze (A yellow-brown metal allow with a muted shine)
-Mahogany (A warm, reddish-brown wood from a tropical tree)
-Sable (A shade of dark brown or black)
-Tawny (An orange or yellow tinted shade of brown
-Terra-Cotta (Unglazed clay pottery made in a light brownish-red or soft peach color)
-Rust  (A red-brown flaky coating that evolves on certain metals as a result of oxidation)
-Umber (A natural and highly valued pigment of dark earthy brown with yellow undertones)
-Golden (As a precious metal that gleams a radiant yellow and does not tarnish)
-Copper (A red-brown metal that gleams in shades of pink when polished)
-Amber (A fossilized resin from ancient and now-extinct trees, translucent in shades of orange, brown, and yellow)
-Khaki (A fabric made in a dull yellowish-brown color)
-Brass (An alloy of copper and zinc which is yellow)
-Topaz (A gemstone that comes in many colors but is perhaps best known as Imperial Topaz, a richly hued stone of amber, orange, or honey yellow)
-Sepia (A red-brown spectrum commonly associated with 19th-century photography)
-Taupe (A shade of grey with brown undertones)
-Teak (Wood from a tree native to India and Southeast Asia known for its durability)
-Redwood (A tree species with reddish-brown bark and wood)
-Onyx (A type of quartz that is typically black with reddish undertones)
-Sienna (A rust-rich earth which is often used as a pigment in paint, bearing a yellow-brown shade when used raw or a red-brown when burned)
-Ivory (The substance which composes the tusks of an elephant, narwhal, or walrus, a creamy beige that is almost white)
-Porcelain (A white ceramic that is often used for dishware or figurines)
-Ebony (A dark brown or black wood from a tropical tree species)
-Ochre (An earthy pigment that is typically light yellow to brownish-red)
