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RGB color spaces

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that is how they are usually signalled for transmission, but an image can be stored as either RGB or YCbCr. This demonstrates using the singular term "RGB color space" can be misleading, since a chosen color space or signalled colour can be described by any appropriate color model. However the singular can be seen in specifications where storage signalled as RGB is its intended use.
300:. Both use the same color primaries and white point, but different transfer functions, as HDTV is intended for a dark living room while sRGB is intended for a brighter office environment. The gamut of these spaces is limited, covering only 35.9% of the CIE 1931 gamut. While this allows the use of a limited bit depth without causing 312:
intended for the creation, rather than transmission, of images are designed with expanded gamuts to address this issue, however this does not mean the larger space has 'more colors". The numerical quantity of colors is related to bit depth and not the size or shape of the gamut. A large space with a
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Like any color space, while the specifications in this category use the RGB color model to describe their space, it is not mandatory to use that model to signal pixel color values. Broadcast TV color spaces like NTSC, PAL, Rec. 709, Rec. 2020 additionally describe a translation from RGB to YCbCr and
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covering the rest of the world. These early RGB spaces were defined in part by the phosphor used by CRTs in use at the time, and the gamma of the electron beam. While these color spaces reproduced the intended colors using additive red, green, and blue primaries, the broadcast signal itself was
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RGB color spaces are commonly found describing the mapping of the RGB color model to human perceivable color, but some RGB color spaces use imaginary (non-real-world) primaries and thus can not be displayed directly.
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for UHD-TVs define an extremely large gamut covering 63.3% of the CIE 1931 space. This standard is not currently realisable with current LCD technology, and alternative architectures such as
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of light additivity, the range of colors that can be produced are those enclosed within the triangle on the chromaticity diagram defined using the primaries as
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RGB use in color space definitions employ primaries (and often a white point) based on the RGB color model, to map to real world color. Applying
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Yamashita, Takayuki; Nishida, Yukihiro; Emoto, Masaki; Ohmura, Kohei; Masaoka, Kenichiro; Masuda, Hiroyasu; Sugawara, Masayuki.
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lit by a backlight, and are therefore naturally described by an additive color model with RGB primaries.
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1931 CIE chromaticity diagram showing some RGB color spaces as defined by their chromaticity triangles.
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coordinates from the UCS chromaticity diagram may be used. Both xyY and uʹ,vʹ are derived from the
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RGB color spaces are well-suited to describing the electronic display of color, such as
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standard defines both the CIE RGB space, which is a color space with monochromatic
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Huang, Yuge; Hsiang, En-Lin; Deng, Ming-Yang; Wu, Shin-Tson (18 June 2020).
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color television standard in 1953 across North America, followed by
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Early examples of RGB color spaces came with the adoption of the
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specifying part of its absolute color space definition using the
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M.A.C. is not to be confused with MacOS. Here, M.A.C.refers to
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The normal human eye contains three types of color-sensitive
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One million colors in RGB space, visible in full-size image.
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encoded from RGB components to a composite signal such as
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For the vision capacities of organisms or machines, see
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Chen, Haiwei; He, Juan; Wu, Shin-Tson (September 2017).
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Color space specifications employing the RGB color model
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color space, later repurposed for computer monitors as
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IEEE Journal of Selected Topics in Quantum Electronics
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Any additive color space based on the RGB color model
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International Color Consortium (ICC) 425: 141: 1843: 1586: 1391: 856: 715: 627: 208:chromaticity coordinates, though the 1539:The Reproduction of Colour (6th ed.) 1534: 58:adding citations to reliable sources 29: 24: 1200: 372:Primary Color Model for Signalling 324: 25: 2410: 1765: 1666:Light: Science & Applications 1587:Baker, Simon (19 February 2014). 422: 343:More recent color spaces such as 2373: 2372: 34: 1869: 1813:"RGB Working Space Information" 1744: 1442:Multiplexed Analogue Components 231: 45:needs additional citations for 1735: 1718: 1653: 1606: 1580: 1557: 1528: 1503: 1481: 1394: 13: 1: 1792:Susstrunk, Buckley and Swen. 1474: 169: 1191: 1185: 1179: 397:Transfer function parameters 7: 1794:"Standard RGB Color Spaces" 1447: 1338: 1253: 839: 783: 10: 2415: 2285:Colour Index International 1639:10.1109/JSTQE.2017.2649466 235: 2369: 2265: 2169: 2059: 1981: 1928: 1895: 1877: 1741:47 CFR § 73.682 (20) (iv) 1686:10.1038/s41377-020-0341-9 1361: 1354: 1318: 1217: 1094: 1091: 1088: 1085: 1062: 1044: 1021: 1018: 1015: 1012: 1009: 1006: 914: 911: 880: 877: 874: 833: 830: 732: 712: 709: 670: 667: 664: 658: 655: 563: 537: 532: 529: 526: 523: 520: 517: 514: 408: 405: 402: 395: 385: 382: 377: 374: 371: 368: 365: 333:{\displaystyle \Delta E} 226:CIE 2° standard observer 1535:Hunt, R. W. G (2004). 334: 247: 220:which covers the full 179: 137: 1827:Colantoni, Philippe. 335: 245: 177: 135: 2302:Federal Standard 595 1882:List of color spaces 1431:CIE 1931 color space 1356:CIE 1931 color space 897:ITU-R BT.470/601 (M) 321: 238:List of Color Spaces 214:CIE 1931 color space 54:improve this article 1678:2020LSA.....9..105H 1631:2017IJSTQ..2349466C 1570:Information Display 369:Reference Standard 317:and result in high 1811:Lindbloom, Bruce. 1454:CIELUV color space 330: 248: 188:Tristimulus values 180: 138: 69:"RGB color spaces" 2386: 2385: 1427: 1426: 252:computer monitors 146:is a category of 130: 129: 122: 104: 16:(Redirected from 2406: 2376: 2375: 2362: 1991:RGB color spaces 1864: 1857: 1850: 1841: 1840: 1836: 1831:. Archived from 1823: 1821: 1819: 1807: 1805: 1803: 1798: 1788: 1786: 1785: 1772:RGB Color Chart. 1759: 1758: 1756: 1748: 1742: 1739: 1733: 1732: 1730: 1722: 1716: 1715: 1697: 1657: 1651: 1650: 1610: 1604: 1603: 1601: 1599: 1584: 1578: 1577: 1572:. Archived from 1561: 1555: 1554: 1542: 1532: 1526: 1525: 1523: 1521: 1516: 1510:Pascale, Danny. 1507: 1501: 1500: 1498: 1496: 1485: 1469:RGBA color model 1333: 1331: 1330: 1327: 1324: 1268: 1266: 1265: 1262: 1259: 1215: 1213: 1212: 1209: 1206: 1083: 1081: 1080: 1077: 1074: 1042: 1040: 1039: 1036: 1033: 929: 927: 926: 923: 920: 854: 852: 851: 848: 845: 798: 796: 795: 792: 789: 730: 728: 727: 724: 721: 691: 689: 688: 685: 682: 646:BT.470/601 (B/G) 608:(Apple Computer) 604: 603: 583: 581: 580: 577: 574: 500:Based on NTSC(M) 383:Color Primaries 363: 362: 339: 337: 336: 331: 260:cathode ray tube 256:color television 143: 125: 118: 114: 111: 105: 103: 62: 38: 30: 21: 2414: 2413: 2409: 2408: 2407: 2405: 2404: 2403: 2389: 2388: 2387: 2382: 2365: 2356: 2290:CI list of dyes 2267: 2261: 2217:Imaginary color 2165: 2055: 2001:rg chromaticity 1977: 1924: 1891: 1873: 1868: 1817: 1815: 1801: 1799: 1796: 1783: 1781: 1776: 1768: 1763: 1762: 1754: 1750: 1749: 1745: 1740: 1736: 1728: 1724: 1723: 1719: 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31: 19: 2379:Color vision 1990: 1887:Color models 1833:the original 1818:November 18, 1816:. 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