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Safety orange (also known as blaze orange, vivid orange, OSHA orange, hunter orange, Caltrans orange, or Omaha orange) is a hue. Safety orange is used to set objects apart from their surroundings, particularly in complementary contrast to the azure color of the sky (azure is the complementary color of orange, and therefore there is a very strong contrast between the two colors). The color is commonly used hunting during the rifle season, and is used for quail hunting, also. Most places, such as construction sites, use safety orange to help ensure the safety of others. Safety orange has been used for decades. ANSI standard Z535.1-1998 states how safety orange is defined in the following notation systems: * Munsell Notation: : 5.0YR (Hue) 6.0/15 (Value/Chroma) * Approximate PMS (Pantone) Color (actually, mixing directions): : 13 parts Yellow, 3 parts Warm Red, part Black * Pantone Number : 152 *CIE Data: : ''x'' = 0.5510 ''y'' = 0.4214 Y% = 30.05 Note that this CIE color point is outside the gamut of common color spaces like sRGB or Adobe RGB. The closest CIE color point that is still in the sRGB gamut is ''x'' = 0.54091, ''y'' = 0.40869, Y% = 30.05, corresponding to the sRGB-255 coordinates (232, 118, 0).〔Poynton (2006) Color FAQ #18, (),〕 The Adobe RGB color space is larger than the sRGB color space; the closest "safety orange" CIE color point that is still in the Adobe RGB gamut is ''x'' = 0.54467, ''y'' = 0.41424, Y% = 30.05, corresponding to the AdobeRGB-255 coordinates (206, 118, 0). Safety orange is the color usually used in the United States for traffic cones, stanchions, barrels, and other construction zone marking devices. OSHA requires that certain construction equipment must be painted safety orange. Two large trucking companies, Allied Van Lines and Schneider National, paint their trucks and trailers safety orange. In Europe, Dayglo orange (or "luminous orange"; RAL 2005) serves the same purpose. Safety orange is the same color as blaze orange, the shade of orange (Color No. 12199) required by United States law (U.S. Code of Federal Regulations, Title 15 Commerce and Foreign Trade, Section 1150.3) to be on the tips of barrels of replica guns such as airsoft guns, and cap or toy guns. Hunter orange is also the color of hats, caps, and other safety wear required to be worn while hunting in most US states. ==See also== * Construction site safety * Fire engine red * International orange * List of colors * School bus yellow * Spectral color 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「safety orange」の詳細全文を読む スポンサード リンク
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