Shades of white

Shades of white are colors that differ only slightly from pure white. Variations of white include what are commonly termed off-white colors, which may be considered part of a neutral color scheme.

In color theory, a shade is a pure color mixed with black (or having a lower lightness). Strictly speaking, a “shade of white” would be a neutral gray. This article is also about off-white colors that vary from pure white in hue, and in chroma (also called saturation, or intensity).

Colors often considered "shades of white" include, cream, eggshell, ivory, Navajo white, and vanilla. Even the lighting of a room, however, can cause a pure white to be perceived as off-white.

Off-white colors were pervasively paired with beiges in the 1930s, and especially popular again from roughly 1955 to 1975.

Whiteness measures the degree to which a surface is white in colorimetry.

Web colors

Below is a chart showing the computer web color shades of white. An achromatic white is a white color in which the red, green, and blue codes are exactly equal. The web colors white and white smoke are achromatic colors. A chromatic shade of white is a white color in which the red, green, and blue codes are not exactly equal, but are close to each other, which is what makes it a shade of white.

Greeks (finance)

In mathematical finance, the Greeks are the quantities representing the sensitivity of the price of derivatives such as options to a change in underlying parameters on which the value of an instrument or portfolio of financial instruments is dependent. The name is used because the most common of these sensitivities are denoted by Greek letters (as are some other finance measures). Collectively these have also been called the risk sensitivities,risk measures or hedge parameters.

Use of the Greeks

The Greeks are vital tools in risk management. Each Greek measures the sensitivity of the value of a portfolio to a small change in a given underlying parameter, so that component risks may be treated in isolation, and the portfolio rebalanced accordingly to achieve a desired exposure; see for example delta hedging.

The Greeks in the Black–Scholes model are relatively easy to calculate, a desirable property of financial models, and are very useful for derivatives traders, especially those who seek to hedge their portfolios from adverse changes in market conditions. For this reason, those Greeks which are particularly useful for hedging—such as delta, theta, and vega—are well-defined for measuring changes in Price, Time and Volatility. Although rho is a primary input into the Black–Scholes model, the overall impact on the value of an option corresponding to changes in the risk-free interest rate is generally insignificant and therefore higher-order derivatives involving the risk-free interest rate are not common.

Color (EP)

Color is the second EP by Japanese visual kei band, Girugamesh, released on July 7, 2010.

Track listing

Personnel

References

Color (band)

Color (stylized as COLOR) was a Japanese punk band formed in 1985 by Dynamite Tommy, who founded the Free-Will record label a year later. They are considered to be important to the formation of visual kei. Their debut album Gekitotsu was named one of the top albums from 1989-1998 in a 2004 issue of the music magazine Band Yarouze.

History

Color released their debut album Gekitotsu, in January 1988. After releasing their second album Fools! Get Lucky!!, they signed to Crown Records and released their only major studio album a couple months later, Ask the Angels. It is said that the label made the band rewrite the album's lyrics, which were originally in English, in Japanese to be more accessible by the mainstream. It seemed to have worked, as Ask the Angels reached number 16 on the Oricon chart and their popularity increased. However, in January 1990 at a concert on the album's tour, in their hometown of Osaka, a fan was accidentally stomped to death. The band decided to lay low and avoid media, they ended up losing their contract with Crown. During this hiatus, Tommy formed Sister's No Future with Ken-chan (Kamaitachi), while Marry started Goatcore with You Adachi (Dead End).

Bone (surname)

People with the surname Bone include:

Bône (département)

Bône is a former French département in Algeria which existed between 1955 and 1962.

Considered as a French province, Algeria was departmentalised on 9 December 1848. Three civil zones (départements) replaced the three beyliks into which the Ottoman former rulers had divided the territory. The easternmost of the three original Algerian departments was called Constantine. For over a century the town of Annaba, known at that time as Bône (and in classical times as Hippo), was a sub-prefecture in the département of Constantine: this changed in 1955.

On 7 August 1955 the eastern extremity of the former département of Constantine was split off and became the separate département of Bône. This administrative reorganisation was a response to the rapid population increase experienced across the territory, especially during the preceding decade.

The new coastal département of Bône covered an area of 25,367 km²: a population of 730,594 was recorded. The department comprised five sub-prefectures: these were La Calle, Clairfontaine, Guelma, Souk Ahras and Tébessa. A final but temporary change took place between 17 March 1958 and 7 November 1959, during which time the Tébessa sub-prefectures was transferred to the département of Batna.

Flexi disc

The flexi disc (also known as a phonosheet or Soundsheet, a trademark) is a phonograph record made of a thin, flexible vinyl sheet with a molded-in spiral stylus groove, and is designed to be playable on a normal phonograph turntable. Flexible records were commercially introduced as the Eva-tone Soundsheet in 1962, and were very popular among children and teenagers and mass-produced by the state publisher in the Soviet government.

History

Before the advent of the compact disc, flexi discs were sometimes used as a means to include sound with printed material such as magazines and music instruction books. A flexi disc could be moulded with speech or music and bound into the text with a perforated seam, at very little cost and without any requirement for a hard binding. One problem with using the thinner vinyl was that the stylus's weight, combined with the flexi disc's low mass, would sometimes cause the disc to stop spinning on the turntable and become held in place by the stylus. For this reason, most flexi discs had a spot on the face of the disc for a coin, or other small, flat, weighted object to increase the friction with the turntable surface and enforce consistent rotation. If the turntable's surface is not completely flat, it is recommended that the flexi disc be placed on top of a full sized record.