Emerald Cities: Urban Sustainability and Economic Development is a book published in 2010 by Joan Fitzgerald, director of the law, policy and society program at Northeastern University, about ecologically sustainable city planning.Įmerald was invented in Germany in 1814. A county-commissioned study reports pot accounts for up to two-thirds of the economy of Mendocino. The Emerald Triangle refers to the three counties of Mendocino, Humboldt, and Trinity in Northern California, United States because these three counties are the biggest marijuana producing counties in California and also the US. It is kept in the Chapel of the Emerald Buddha ( Wat Phra Kaew) on the grounds of the Grand Palace in Bangkok. The Emerald Buddha is a figurine of the sitting Buddha, made of green jade (rather than emerald), clothed in gold, and about 45 cm tall. The Green Zone in Baghdad is sometimes ironically and cynically referred to as the Emerald City. However, it is revealed at the end of the story that everything in the city is normal colored, but the glasses everyone wears are emerald tinted. Frank Baum, is a city where everything from food to people are emerald green. "Emerald City", from the story of The Wonderful Wizard of Oz, by L. In the Middle Ages, The Emerald Tablet of Hermes Trismegistus was believed to contain the secrets of alchemy. Seattle is sometimes referred to as the Emerald City, because its abundant rainfall creates lush vegetation. Ireland is sometimes referred to as the Emerald Isle due to its lush greenery. The first recorded use of emerald as a color name in English was in 1598. The name derives from the typical appearance of the emerald gemstone.
In the early 2000s, a harlequin color paint was invented for automobiles that appears different colors from different angles of view.Įmerald, also called emerald green, is a tone of green that is particularly light and bright, with a faint bluish cast. Similarly, it can mean anything multicolored or prismatic, such as opals or other precious gems which are highly variegated in color and hue.
Harlequin is also an adjective used to describe something that is colored in a pattern, usually a diamond-shaped pattern, as in the dress traditionally associated with harlequins. Silver Patron tequila is sold in harlequin-colored boxes. Harlequin is a pure spectral color at approximately 552 nanometers on the visible spectrum when plotted on the CIE chromaticity diagram. The first recorded use of harlequin as a color name in English was in 1923. Thus in modern color terminology, harlequin is the color halfway between green and chartreuse green on the RGB color wheel. On color plate 17 in the 1930 book A Dictionary of Color (see reference below), the color harlequin is shown as being a highly saturated rich color at a position halfway between chartreuse and green. Harlequin is a color described as being located between green and yellow (closer to green than to yellow) on the color wheel. The three additive primaries in the RGB color system are the three colors of light chosen such as to provide the maximum range of colors that are capable of being represented on a computer or television set. It is one of the three primary colors used in the RGB color space along with red and blue. The color defined as green in the RGB color model is the brightest green that can be reproduced on a computer screen, and is the color named green in X11. A large selection of these various colors is shown below.Ĭomputer web color greens Green Variations in value are also called tints and shades, a tint being a green or other hue mixed with white, a shade being mixed with black. Varieties of the color green may differ in hue, chroma (also called saturation or intensity) or lightness (or value, tone, or brightness), or in two or three of these qualities. Nature, health, environmentalism, spring, St. It has been suggested that this article should be split into articles titled Shades of green and Emerald green.
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