Hi guys,
I have a weird issue with the color. When I changed the color from dark green to bright lime green on Color Picker. The Color Picker show the specific color I want and then I click "OK". It did not change the dark green to bright lime green... instead it show the dull green color. It is really bugging me because I can't figured it what wrong with it. I checked the Color Mode (RGB mode) and Color Setting... everything seems to be right to me.
Here is the quick screenshot:
I also tested with other color, it still have the same problem. They won't show the bright color, it show the dull color instead.
I hope you guys can help me out!
Thanks,
Christie
1 Correct answer
From the information you are supplyng us wih and from the screenshot it appears quite clearly you are mistaken the Color Mode is CMYK and not RGB just look at you screen shot and you will see what I mean.
The Document Color mode in both screenshots indicates CMYK.
The color you see is expected. Change the color mode properly to RGB and it will solve your problem.
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emil emil wrote:
Wade, you mean "the color you see is the result of how badly color picker was programmed to work"? If the color picker was color managed it would display only the colors within the limit of the color space of the current document so the user can not choose colors outside of it and then wonder why the colors in the document are not the same. I wouldn't consider the way the color picker shows the colors as expected.
LOL. My motto has always been, "it's buggy until I understand it." 
The color picker is actually programmed correctly. If the user chooses a CMYK file, then attempts to choose an out-of-CMYK-gamut color via the RGB color space, the color picker rightly only will pick colors compatible with the CMYK color gamut, which is consistent with the document. Wade is correct in recommending that the user choose an RGB document if desiring to use RGB colors.
Cheers,
DS
DrStrik9 wrote:
...The color picker is actually programmed correctly. If the user chooses a CMYK file, then attempts to choose an out-of-CMYK-gamut color via the RGB color space, the color picker rightly only will pick colors compatible with the CMYK color gamut, which is consistent with the document. ...
Programmed correctly? You must be kidding me
Check how the color spectrum in the Color panel displays colors and compare with the Color Picker. The color spectrum bar in the Color panel is what I can call programmed correctly. No matter what color model you choose for the sliders it will never display colors outside of the color space of the document thus showing always the correct final color.
If the color picker was programmed correctly and worked as expected this thread wouldn't exist.
Wade is correct in recommending that the user choose an RGB document if desiring to use RGB colors.
No, the OP as any other users who wants to try this, is not desiring to use RGB colors or even using numeric values, she is simply picking color from the color picker that she wants in her CMYK document. But no luck, she must use RGB document only. And as I explained this, in RGB document it will work only in a special condition which is not how a professional designer should ever work. Color picker is useless, period.
Let's agree to disagree on this. 
In my experience, when working in CMYK, it is best to not think in terms of RGB at all, since the two gamuts are very different. If I'm doing a CMYK document, I always use the CMYK sliders rather than the RGB picker, but this comes from many years of experience, and many little knowledge-bits such as keeping the already "muddy" CMYK gamut as pure as possible, by only using two, or possibly three of the four colors in a tint.
Perhaps Adobe should make the RGB picker disappear in CMYK documents, to not give the impression to the inexperienced that it is a useful tool when working in CMYK. But as in all crafts, the artist is (or should be) in charge, not the tools.
Cheers,
DS
DrStrik9 wrote:
...
In my experience, when working in CMYK, it is best to not think in terms of RGB at all, since the two gamuts are very different. If I'm doing a CMYK document, I always use the CMYK sliders rather than the RGB picker ...
We are talking about the Color Picker, it is not defined as an RGB picker, you can pick colors there by typing numeric values in CMYK, RGB, HSB, and the hexadecimal models, and you can just click on the palette to pick a color. The user goes to the Color Picker when working in a CMYK document to choose a color for the document and not to think in terms of RGB. However the color picker is useless for this purpose because it displays the colors there in the color space of the monitor which is very different from the color space of the document.
Perhaps Adobe should make the RGB picker disappear in CMYK documents, to not give the impression to the inexperienced that it is a useful tool when working in CMYK
Well, hello 
with this you are saying in other words what I said about how the color picker should work - make it color managed like the color spectrum in the Color panel so that it displays the colors in the color space of the document. For example in CMYK document the color picker should display CMYK colors (or said in your words the RGB display of the colors disappear)
Let's agree to disagree on this.
So, where is the disagreement then? Looks like you want the same change like me
OK, a few more thought on this.
Here's what I did and everyone can check for themselves. I made a screen capture of the Color picker and paste it in a RGB and also a CMYK document as shown on the images below. In the CMYK document this converts the RGB color values of the screen capture into the CMYK color space of the document and the colors in the palette are displayed within the document's gamut. If you take the eyedropper and click on any color of the palette on the image you will never get out of gamut colors and this is how they should be displayed in the real Color Picker. The Color picker can still display in a little box out of gamut color if they are selected numerically using the RGB or HSB models but the point is that the display of the palette should be converted to a CMYK color space.
In the RGB document on the second image, like in the real picker, clicking on the palette with the eyedropper will give a lot of out of gamut colors.
Now thinking about out of gamut colors. Illustrator decides what is out of gamut colors by comparing the color space of a CMYK document to the working RGB color space set in the Color Settings and for an RGB document to the working CMYK space in the Color Settings. But this is not practical all the time because it is one way only from RGB to CMYK and can not be set from CMYK to RGB, RGB to RGB, and CMYK to CMYK.
CMYK to RGB example: you may have a document with U.S Web Coated (SWOP) v2 color space and one of its destinations is an sRGB color space. Because you can't set CMYK to RGB for out of gamut consideration, Illustrator will consider out of gamut all sRGB colors that are outside the U.S Web Coated (SWOP) v2 color space. But in this case your destination is sRGB and all colors from the sRGB color space should be presented in gamut and there is actually a small part of the U.S Web Coated (SWOP) v2 colors that are outside of the sRGB color space and only these colors should be shown as out of gamut.
RGB to RGB example: your document is set in Adobe RGB color space because it will be eventually printed to several RGB printers some of which may have narrower gamut than the document. Then you want to set Illustrator to display out of gamut only the colors in the Adobe RGB color space that the RGB printer can't print, but unfortunately this is not possible even if you have the color profile of the printer.
CMYK to CMYK example: you may have a document with U.S Web Coated (SWOP) v2 color space but one of its destinations is U.S Web Uncoated v2, or US Newsprint, again not possible.
So, in all these examples, the out of gamut colors Illustrator gives in the Color picker and panel are completely useless. Of course the major tool for these tasks remains the soft proofing which is working properly but why not make the out of gamut colors in the Color picker and panel work better and make more sense.
Hi guys,
It seems I have exactly the same problem here.
I'm trying to understand how to change CYMK to RGB and I know the solution is easy but I really don't know how to do it and it's been a while I'm looking for the solution now 
I tried to go to the "color settings" but there are like a billon possible choices.
I tried to go to Window > Color > Swatches but nothing happened ...
Thank you in advance for your help.
Have a great day !
Alex.
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