Actual cobalt is silver, but in artist colors it is usually a shade of blue.
Cobalt !
The pigments in cobalt salts of alumina are used to make the color cobalt blue. The pigments are strong, which is why the color is used in many pieces of jewelry, paint and ceramics.
mostly blue.
A cobalt sulfate solution is typically blue in color.
The PMS color for cobalt blue is PMS 286. It is a deep, rich blue color often used in printing and design projects.
The color of the cobalt streak is blue
Cobalt !
The pigments in cobalt salts of alumina are used to make the color cobalt blue. The pigments are strong, which is why the color is used in many pieces of jewelry, paint and ceramics.
mostly blue.
Cobalt is a silvery gray metal. A link is provided.
A cobalt sulfate solution is typically blue in color.
A cobalt chloride paper will turn pink when exposed to water vapor. This color change is due to the cobalt chloride reacting with the water vapor to form pink cobalt chloride hexahydrate.
The PMS color for cobalt blue is PMS 286. It is a deep, rich blue color often used in printing and design projects.
Cobalt.
The question is vague in its current wording. Cobalt is a type of blue color. Colors have codings in the web that go by hexadecimal, in which the hex triplet figure for cobalt blue is #0047AB.
When excess cobalt oxide is warmed with hydrochloric acid, the cobalt oxide will react with the acid to form cobalt chloride, water, and chlorine gas. The resulting solution may be pink due to the presence of cobalt ions, which are often a characteristic color of cobalt compounds.
Potassium gives a lilac or pale-violet flame test when viewed through a cobalt glass. The cobalt glass helps to filter out other colors from the flame, allowing the characteristic lilac color of potassium to become more visible.