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Amber (color)
The color amber is a pure chroma color, located on the color wheel midway between the colors of gold and orange. The color name is derived from the material also known as amber, which is commonly found in a range of yellow-orange-brown-red colors; likewise, as a color ''amber'' can refer to a range of yellow-orange colors. In English the first recorded use of the term as a color name, rather than a reference to the specific substance, was in 1500.〔Maerz and Paul ''A Dictionary of Color'' New York:1930--McGraw Hill Page 189; Color Sample of Amber: Page 43 Plate 10 Color Sample J3〕
==SAE/ECE amber==
Amber is one of several technically defined colors used in automotive signal lamps. In North America, SAE standard J578 governs the colorimetry of vehicle lights,〔(SAE J578: Color Specification )〕 while outside North America the internationalized European ECE regulations hold force.〔(ECE R6 )〕 Both standards designate a range of orange-yellow hues in the CIE color space as "amber".
In the past, the ECE amber definition was more restrictive than the SAE definition, but the current ECE definition is identical to the more permissive SAE standard. The SAE formally uses the term "yellow amber", though the color is most often referred to as "yellow". This is not the same as selective yellow, a color used in some fog lamps and headlamps.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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