Cobalt blue is a blue pigment made by sintering cobalt (II) oxide with aluminium (III) oxide (alumina) at 1200 °C. Chemically, cobalt blue pigment is cobalt (II) oxide-aluminium oxide, or cobalt (II) aluminate, CoAl 2 O 4. Cobalt blue is lighter and less intense than the (iron-cyanide based) pigment Prussian blue.

2025年1月2日 · The meaning of COBALT BLUE is a greenish-blue pigment consisting essentially of cobalt oxide and alumina.

2023年6月19日 · The cobalt blue hex color code is #0047AB, revealing its particular combination of red, green, and blue primary colors. Cobalt blue stands out with its uniquely cool yet remarkably bright quality, setting it apart from other blues.

Also called: Thénard's blue any greenish-blue pigment containing cobalt aluminate, usually made by heating.... Click for more definitions.

Cobalt blue is a cool blue colour. Louis Jacques Thénard discovered this color in 1802. [1] [2] People make it using cobalt salts. That is why it is called cobalt blue. Cobalt blue is used by many artists. Many pieces of glassware have this colour. Glassware that …

Define cobalt blue. cobalt blue synonyms, cobalt blue pronunciation, cobalt blue translation, English dictionary definition of cobalt blue. n. 1. A blue to green pigment consisting of a variable mixture of cobalt oxide and alumina. 2. A moderate to deep vivid blue or greenish blue.

a shade of blue tinged with green synonyms: aqua , aquamarine , greenish blue , peacock blue , turquoise see more see less

2021年6月28日 · One of the most fascinating colors to come out of the spectrum, Cobalt blue, has a fascinating history that dates back to the 19 th century, with Cobalt itself having a quirky background as the favorite ore of goblins.

cobalt blue noun Also calledThénard's blue any greenish-blue pigment containing cobalt aluminate, usually made by heating cobaltous sulphate, aluminium oxide, and phosphoric acid …

Cobalt Blue definition: A blue to green pigment consisting of a variable mixture of cobalt oxide and alumina.