Warm grey, like the soft patina on old machinery.
Natural Steel is a warm grey.
It can be described as warm, muted, greyish and dusty.
Set in black, because black reads best on it.
Nature, in the broadest sense, is the physical world or universe. In this general sense nature refers to the laws, elements and phenomena of the physical world, including life. Although humans are part of nature, human activity or humans as a whole are often described as at times at odds, or outright separate and even superior to nature.
Read on WikipediaSteel is an alloy of iron and carbon that demonstrates improved mechanical properties compared to the pure form of iron. Due to its high elastic modulus, yield strength, fracture strength and low raw material cost, steel is one of the most commonly manufactured materials in the world. Steel is used in structures, in bridges, infrastructure, tools, ships, trains, cars, bicycles, machines, electrical appliances, furniture, and weapons.
Read on WikipediaSteel blue is a shade of blue color that resembles blue steel, i.e., steel which has been subjected to bluing for protection from rust. It is one of the less vibrant shades of blue, and is usually identified as a blue-gray color. An archaic term for it is chalybeous.
Read on WikipediaNoun