Talk:RGB color space

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The external link "sRGB vs Adobe RGB: The Truth" (www.shootmaster.com) leads to a page which asks for registration. Is it the same content as it was at the time the link was added?

It does not work here. Maybe http://www.photoenlargements.com.au/truth.html is the same Rombust (talk) 10:32, 20 October 2011 (UTC)

The external page RGB Working Space Information contains a more complete version of the table on this page with extra information about Volume, Lab Gamut Efficiency and Coding Efficiency. I think that these would be interesting pieces of data to add, but don't know how this should be done given that the table is currently from a book.

Is there any copyright or other reason that this data can't be appended to the table? --Entirety 00:22, 8 February 2006 (UTC)

scRGB[edit]

scRGB should be added (an article about it, too). I think scRGB has even larger color gamut than the new Adobe space. I'm not a graphics professional, so somebody else could do that. --Ondrejsv 17:54, 24 November 2006 (UTC)

Proposed rename[edit]

Unlike articles like sRGB color space, this article is not about a color space, whose name is RGB. Rather, it is about a number of color spaces, each from the RGB color model.

I believe the title of this article may help to reinforce the mistaken idea that there is a single color space called RGB. I therefore propose renaming it in the plural, "RGB color spaces" (with redirects sorted out and minor rewording). Seeing the plural in lists of color spaces should emphasise the point.

Comments. Notinasnaid 12:53, 12 January 2007 (UTC)

No comments? I'll go ahead then. I think this is one of those cases where violating the general rule in Wikipedia:Naming conventions#Prefer singular nouns is worthwhile. Notinasnaid 01:00, 16 January 2007 (UTC)
I think this is absolutely correct, the current name is misleading. Was this changed? Was it changed back again and why? — Julian H.✈ (talk) 07:22, 21 March 2014 (UTC)
Probably some time between 2007 and now people decided there's no reason here to violate the general rule in Wikipedia:Naming conventions#Prefer singular nouns. Dicklyon (talk) 07:29, 21 March 2014 (UTC)

CIE (1931) values correct[edit]

I was wondering is the y value for the CIE (1931) of 0,0089 correct or does it need to be 0,089. Carnelain (talk) 15:22, 19 January 2011 (UTC)

A table on p. 139 of Wyszecki & Stiles "Color Science" (2nd ed, 1982) says the x,y,z of B are [0.16658, 0.00886, 0.82456]. The table looks correct. But the label should perhaps be CIE 1931 (RGB) rather than just CIE (1931), and similarly the last label should be CIE 1931 (XYZ).Captain Puget (talk) 02:44, 15 December 2012 (UTC)
I changed it to "CIE (1931) RGB". If there's a more conventional term for it, feel free to change it. Dicklyon (talk) 03:38, 15 December 2012 (UTC)

Too Technical?[edit]

I was searching for "68% NTSC Color Gamut," which I found in specs for a monitor, and Google brought me to this article. It sounds fascinating, but I have no idea what the scientific formulas and notations mean. Could someone who understands this subject add an introduction explaining it? Thanks. Blumrosen (talk) 16:58, 20 June 2011 (UTC)

I agree. The table and everything else in the Specifications section is pretty meaningless without an explanation.--71.214.221.92 (talk) 20:49, 25 March 2012 (UTC)

Rotation[edit]

The 3-dimensional RGB color space is made easier to visualize by an animation[1] where the space is rotated. It overcomes the difficulty that some readers have in perceiving depth in the present line drawings. I added the animation to the article and it was deleted[2] by an editor using Twinkle. (However Twinkle is an anti-vandalism tool that should not be used to undo good-faith changes in content.) I shall revert the deletion unless a discussion here finds a consensus against including it. Cuddlyable3 (talk) 08:49, 13 July 2011 (UTC)

And so done. Cuddlyable3 (talk) 18:22, 14 July 2011 (UTC)
I always use Twinkle for reverts; it has separate rollback and vandalism buttons; did I do something wrong? Anyway, the image impressed me as very busy/noisy/unhelpful. Let's see if anyone else cares. Dicklyon (talk) 01:31, 15 July 2011 (UTC)

ECI-RGB[edit]

Could someone please add eciRGB v2 to the table, and possibly create an article? A German one already exists. Thanks in advance. — Christoph Päper 16:56, 9 September 2013 (UTC)

RGB color space specifications from Bruce Lindbloom
Name Gamma Reference
white
Red primary Green primary Blue primary Volume (ΔE3) Efficiency (%)
xR yR YR xG yG YG xB yB YB Lab gamut Coding
Lab Gamut D50 2,381,085 97.0 035.1
ColorMatch RGB 1.8 D50 0.6300 0.3400 0.274884 0.2950 0.6050 0.658132 0.1500 0.0750 0.066985 0,836,975 35.2 100.0
ProPhoto RGB 1.8 D50 0.7347 0.2653 0.288040 0.1596 0.8404 0.711874 0.0366 0.0001 0.000086 2,879,568 91.2 087.3
Apple RGB 1.8 D65 0.6250 0.3400 0.244634 0.2800 0.5950 0.672034 0.1550 0.0700 0.083332 0,798,403 33.5 100.0
NTSC RGB 2.2 C 0.6700 0.3300 0.298839 0.2100 0.7100 0.586811 0.1400 0.0800 0.114350 1,300,252 54.2 099.9
Don RGB 4 2.2 D50 0.6960 0.3000 0.278350 0.2150 0.7650 0.687970 0.1300 0.0350 0.033680 1,802,358 72.1 098.8
Ekta Space PS5 2.2 D50 0.6950 0.3050 0.260629 0.2600 0.7000 0.734946 0.1100 0.0050 0.004425 1,623,899 65.7 099.5
Wide Gamut RGB 2.2 D50 0.7350 0.2650 0.258187 0.1150 0.8260 0.724938 0.1570 0.0180 0.016875 2,164,221 77.6 091.9
Beta RGB 2.2 D50 0.6888 0.3112 0.303273 0.1986 0.7551 0.663786 0.1265 0.0352 0.032941 1,717,450 69.3 099.0
Best RGB 2.2 D50 0.7347 0.2653 0.228457 0.2150 0.7750 0.737352 0.1300 0.0350 0.034191 2,050,725 77.6 096.5
Adobe RGB (1998) 2.2 D65 0.6400 0.3300 0.297361 0.2100 0.7100 0.627355 0.1500 0.0600 0.075285 1,208,631 50.6 100.0
Bruce RGB 2.2 D65 0.6400 0.3300 0.240995 0.2800 0.6500 0.683554 0.1500 0.0600 0.075452 0,988,939 41.5 100.0
PAL/SECAM RGB 2.2 D65 0.6400 0.3300 0.222021 0.2900 0.6000 0.706645 0.1500 0.0600 0.071334 0,849,831 35.7 100.0
SMPTE-C RGB 2.2 D65 0.6300 0.3400 0.212395 0.3100 0.5950 0.701049 0.1550 0.0700 0.086556 0,758,857 31.9 100.0
CIE RGB 2.2 E 0.7350 0.2650 0.176204 0.2740 0.7170 0.812985 0.1670 0.0090 0.010811 1,725,261 64.3 096.1
sRGB ≈2.2 D65 0.6400 0.3300 0.212656 0.3000 0.6000 0.715158 0.1500 0.0600 0.072186 0,832,870 35.0 100.0
ECI RGB v2 L* D50 0.6700 0.3300 0.320250 0.2100 0.7100 0.602071 0.1400 0.0800 0.077679 1,331,362 55.3 099.7