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. About Copper Color - Color meaning and codes. Explore color palette, similar colors, paints. See example mockup designs and images | HEX, RGB, CMYK, HSL, HSV/HSB | Colorxs.com Copper is a metal and chemical element with excellent electrical and thermal conductivity and good corrosion resistance. It is also easy to shape and has an instantly recognizable color. The combination of these properties leads to the wide application of copper for engineering and aesthetic uses. As color theory developed in the 18th and 19th centuries, copper became a recognized color, linking the metal’s color and its name. Today, the color copper is used to add a touch of elegance to design, art, and jewelry.