|First published||October 18, 1999|
|Committee||TC/SC: TC 100/TA 2|
|Domain||Color space, color model|
sRGB is a standard RGB (red, green, blue) color space that HP and Microsoft created cooperatively in 1996 to use on monitors, printers, and the Web. It was subsequently standardized by the IEC as IEC 61966-2-1:1999. Its predecessor NIF RGB was used in FlashPix and was almost the same. It is often the "default" color space for images that contain no color space information, especially if the images' pixels are stored in 8-bit integers per color channel.
sRGB uses the ITU-R BT.709 primaries, the same as in studio monitors and HDTV, a transfer function (gamma) typical of CRTs, and a viewing environment designed to match typical home and office viewing conditions. This specification allowed sRGB to be directly displayed on typical CRT monitors of the time, which greatly aided its acceptance. sYCC uses BT.601 YCbCr matrix to encode into extended-gamut space, negative R'G'B' values are decoded using extended transfer function.
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