What are the different colors of gold?

Since pure gold is too soft to use alone, metals such as silver and copper are added in varying proportions; As a result, they create the yellow shade you see in most jewelry; However, 22 carat yellow gold usually has some overlap in addition to copper and silver.

The variety of white gold is obtained by mixing pure gold with white metals such as silver, nickel and palladium.

The same alloys such as copper and silver are used in different amounts to prepare rose gold and yellow gold; For example, rose gold has more copper than silver; While yellow gold contains less copper than silver; However, 22 carat rose gold has more copper. Sometimes rose gold is also known as red gold depending on the alloys used.

Different ways are used to obtain the shade of black gold; For example, cobalt oxide involves mixing pure gold with cobalt and then heating it to a certain temperature. Another common method of creating black gold is called electroplating; in which the gold jewelry is black-plated, usually with black rhodium or ruthenium.