Copper colour: Copper is a reddish brown color

Copper is a reddish brown color that resembles the metal copper. Learn about its color coordinates, hex triplet, ISCC-NBS descriptor, and how it is used in nature, culture, and heraldry. Learn about the color hex code #b87333, also known as copper, and its RGB, CMYK, HSL, HSV and other values. See how it looks as text, background, border and in color schemes, shades, tints and tones. Learn about the color copper, a medium dark yellowish hue with the code #b87333. Find out its values, harmonies, and how to use it in web design and art. For example, when copper comes in contact with sulfur compounds, or is located in areas with salty sea air, a greenish colored patina, commonly referred to as verdigris, forms on its surface. Conversely, in humid conditions where sulfur components in the atmosphere are minimal to virtually non-existent, the patina attains shades of blue. Though patina changes the original color of copper, it importantly functions to shield the metal from additional corrosion.