Network code = #00FF00,

RGB red, green and blue system? = (red 0, green 255,? Blue 0)

CMYK four-color printing system = (cyan C 100, magenta M0, yellow Y 100, black K0)

HSV system = (primary color 120, saturation 100, brightness 100)

Emerald, known as the king of emeralds, is as rare as the bright red Ulamnu, and is one of the four precious gems (red, blue, emerald and diamond) recognized by the international jewelry industry. Because of its unique green color, unique charm and magical legend, it is deeply favored by westerners.

Emerald symbolizes kindness, self-confidence, kindness, eternity, luck and happiness. Wearing it will bring peace to people's life. This is also the 55th wedding anniversary stone.

Emerald is a very old gem, which was used as jewelry in ancient Egypt.

Extended data

Causes of color formation

The color of emeralds is very charming. Some people use spinach green, onion heart green and tender tree bud green to describe it, but they can't accurately express its color. The green is a little yellow, but it seems a little blue, and even the spectrum seems to be a little less wavelength. It is one of the treasures that people can never get tired of seeing. Whether it is cloudy or sunny, whether it is under artificial light or natural light, it always emits soft and rich light. This is the charm of emerald, king of emeralds.

Emerald is a gem-grade green beryl. Its green color should reach a medium and rich green tone, that is, the color density should be saturated. Light green is usually called green beryl.

Beryl contains a proper amount of cr2o 3(0. 1.5 ~ 0.6%), forming emeralds. It is the most outstanding member of beryl family. This material belongs to high-grade gem. The source of color is: trace chromium oxide makes it appear crystal clear and beautiful green.

Baidu encyclopedia-emerald