Preflight profile not catching RBG colors

Hi everyone,
Mac OS 10.7, CS5 7.0.4
I created a preflight profile that includes the setting that should catch RGB colors (Colors>Color Spaces and Modes Not Allowed>RGB box is checked). The problem is that it doesn't flag colors that are in use but weren't added to the swatches. For example, if you get a color from an image using the eye dropper. It uses an RGB proxy and loads that color into the cursor but doesn't create a new swatch.
Is this expected behavior or a bug or an oversight? Any way around it? Our production team has PitStop, which caught the problem in the PDF but it would be good to catch these things prior to passing off the file.

I must second to OP, some printers do... The sense is: "place cmyk images only, work with cmyk colors natively, and you won't need any conversion on export."
But what will you do when preflight catches an RGB color—convert it to CMYK right?
It doesn't matter whether you take the time to look for RGB colors with preflight and then convert them in the ID layout or Photoshop, because the conversions you make on export or saving to postscript will be the same as the ones you make in the application. The printer would not know how you made the conversion.
Here I've made a frame filled with an out-of-gamut green (94|255|0), copied it and converted the color to CMYK (81|0|100|0) via the Color panel. If I export or print postscript to my document's CMYK profile, the 2 greens have the same CMYK value in the PDF:

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howdego wrote:
I am, however, trying to decide on the right color space to use, which is how I noticed this problem. I rarely make prints of my photos. I make bluray movies using Proshow Producer. I recently got a new monitor and Samsung LED HDTV, and found that my photo videos did not display right and I am trying to find out why. I found the normal viewing settings of the TV have too much color and sharpness, so I established another group of settings for photos, which helped. However, I am still not satisfied.
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Setup Screens
HDMI 1 (Cable Box) & Coax (Cable)
HDMI 2 (Panasonic Blu-Ray Player)
PICTURE - 1
Movie
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Dynamic
Movie
Standard
Dynamic
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82
82
82
82
82
82
Brightness
43
45
45
43
45
45
Sharpness
25
25
35
15
15
25
Color
42
45
45
44
45
45
Tint
77 R
77 R
84 R
77 R
77 R
84 R
Backlight
5
6
7
5
5
6
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Color Tone
Normal
Normal
Normal
Normal
Normal
Normal
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Black Adjust
Off
NA
NA
Off
NA
NA
Dynamic Contrast
Low
NA
NA
Low
NA
NA
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-1
NA
NA
-1
NA
NA
Color Space
Auto
NA
NA
Auto
NA
NA
White Balance
R-Offset
13
NA
NA
13
NA
NA
G-Offset
15
NA
NA
15
NA
NA
B-Offset
17
NA
NA
17
NA
NA
R-Gain
15
NA
NA
15
NA
NA
G-Gain
12
NA
NA
12
NA
NA
B-Gain
17
NA
NA
17
NA
NA
My Color Control
Pink
15
NA
NA
15
NA
NA
Green
15
NA
NA
15
NA
NA
Blue
15
NA
NA
15
NA
NA
White
15
NA
NA
15
NA
NA
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On
NA
NA
On
NA
NA
xvYCC
Off
NA
NA
Off
NA
NA
Digital NR
Low
Low
Low
Low
Low
Low
Active Color
Off(NA)
Off(NA)
Off
Off(NA)
Off(NA)
Off
Dnie
Off(NA)
Off
Off
Off(NA)
Off
Off
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Energy Saving
Off
Off
Off
Off
Off
Off
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Low
Low
Low
Low
Low
Low
Film Mode
Off(NA)
Off(NA)
Off(NA)
Off(NA)
Off(NA)
Off(NA)
howdego wrote:
So it occurred to me that some colors might be wrong, or too saturated, because I am not seeing them on my monitor as they will appear on the HDTV. I am thinking that since sRGB is my final color space, I would try to do everything in the sRGB space, including setting my monitor to sRGB (I have a Dell 2413 which supports adobeRGB too). I was inn the process of trying this when I found the issue at hand. Might you have any thoughts about this color space choice
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http://www.gballard.net/photoshop/srgb_wide_gamut.html
You can circumvent this issue by using your monitor in sRGB mode, but I'd still suggest you use a hardware monitor calibrator. Either way it is imortatnt that you have a proper monitor profile assigned in Windows or OS X Color Management. The monitor manufacturer provides these, but they don't always work well with LR for numerous reasons.
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Hi there tojo45
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Preflight profile not catching RBG colors

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