Red-Green-Blue, a way of representing colors using the three primary lights.

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1answer
22 views

Wavelength and luminance about LCD monitor

Is there any standard (or product) documentation defining about the value of wavelength and luminance while sending RGB = (255, 0 ,0) to LCD monitor?
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0answers
118 views

ASUS PB238Q Color RGB keeps changing

Following on from my previous question. Going into the Menu I noticed that 2 of the colors were set to 100, whilst one was set to 0 hence the yellow tint. Anyway, I set all three colours to 100, ...
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2answers
319 views

Why do color printers, cameras and monitors/tvs use different color models? [duplicate]

Many printers use CMY or CMYK whereas most computer monitors and TVs use RGB. Many cameras, film cameras, image and movie formats use YUV. Why don't they use the same color representation?
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5answers
8k views

Can a printer print white color?

I was reading about different color models, when this question hit my mind. Can the CMYK color model generate white color? Printers use CMYK color mode. What will happen if I try to print a white ...
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1answer
355 views

RGB Colours in Office 2011 for MAC

How do I check what are the RGB colours (numbers) for a particular shade in Office 2011 For MAC? Im working on a document in Word in Office for MAC, but when I open the document in MS Word on a PC, ...
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2answers
386 views

Limited RGB range due to HDMI cable?

I have a NVidia GeForce GTX 660, connected to a Samsung SyncMaster S24B350 through a HDMI cable. On my computer, I'm running both, Windows 8 and Linux Mint. I think that something might prevent my ...
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1answer
102 views

How are pixels actually shown on display [closed]

I spend a lot of time looking at raw-video in YCbCr-format. Started thinking about what is really shown on the display and how the pixels end up there. No display can handle YCbCr-data so I guess ...
2
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0answers
250 views

RGB to CMYK in Gimp, what i'm doing wrong?

I'm trying to convert image from RGB to CMYK in Gimp, tried to search for answers, but couldn't fine one that would work for me, or I missed something important. My preferences of color management ...
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2answers
146 views

sRGB and AdobeRGB color spaces

They say that AdobeRGB has more colors than sRGB color space. What do they mean? Should they both have 16,777,216 colors (because they're both RGB color spaces)??
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1answer
2k views

FFMPEG: Convert .rgb images to video

I want to create a video from .rgb files. These just contain the pixels, no header. I'm able to cerate a video from pngs: ffmpeg -f image2 -r 30 -i %%06d.png -vcodec huffyuv video.avi But ...
3
votes
1answer
805 views

Is setting your card to a lower custom resolution dangerous?

I have a laptop computer with integrated Core i5 Intel HD graphics.. I want to use the vga output to connect to an old tech CRT tv that has an RGB input port, So I'm using a vga to RGB cable. I heard ...
2
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1answer
292 views

How do twelve-character color codes work? [duplicate]

Possible Duplicate: 48-bit colours? I'm using the Xfce 4.10 desktop environment on Ubuntu 12.04. While trying to get things the way I want I came across #aaaaaaaaaaaa and #666666666666 in ...
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1answer
858 views

Decoding .rgb file into readable image data?

I've extracted some image assets out of a popular Simpsons game but I can't find any application to read or convert them, and I'm not even sure what format they are in, besides for their .rgb ...
2
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1answer
11k views

Converting RGB to CMYK color profile in GIMP

I want to convert an sRGB image in gimp to CMYK. Heres what I did: Downloaded CMYK color profiles from Adobe. Extracted them in the icc folder (/usr/share/color/icc/) I opened my xcf image in gimp ...
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1answer
757 views

Exporting .psd to .jpeg changes CMYK to RGB?

I don't know much about Photoshop. I created a business card in RGB profile but the printer needs it as CMYK. I therefore just went to "Mode", changed it to CMYK 16 Bit and thought that was it, but ...
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2answers
2k views

CMYK conversion from RGB

I have several RGB images that I have to convert to CMYK for a paper submission. I have a Photoshop Elements 9 license but it doesn't support CMYK. I remember having tried with ImageMagick on Linux ...
4
votes
1answer
8k views

What is YCbCr444?

I just brought home my first HD monitor, a ViewSonic VX2753mh, hooked it up, and began looking at the settings. Immediately, I noticed a very distinct "washed-out" feel to the colors. Googling around, ...
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2answers
291 views

Trying to reproduce a color in CMYK Mode

Firstly i cant find an appropriate forum, so I'll ask this question here in case someone might know the answer. I'm very new to design so please bear with me. I am creating a set of business cards ...
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1answer
580 views

ImageMagick is incorrectly showing some images as negatives

1 2 3 4 Image 1 is the original main file as displayed by ImageMagick display. It is showing up as a negative, but shouldn't be. When displayed using other tools, it's ...
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1answer
63 views

Universal Color Selection Tool

I need to find the RGB of a color that is on an emulator. I need an app that can get the RGB from a separate application. Any ideas?
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2answers
716 views

How do I make sure my color stays the same in my different .psd files?

I asked two Photoshop experts I know but they haven't got a clue because all my settings are exactly the same, in both files. (except the RGB type!) I use RGB color, 72DPI, 8 bits / channel. No ...
0
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1answer
1k views

Projector image is all green

I'm using a lamp projector attached via VGA to a MacBook running OS X 10.6. The problem that I'm experiencing is that the image is all green. How much green? Well, it looks like there is no red ...
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6answers
6k views

Adobe photoshop image export causes changes in colors

I am using Adobe Photoshop CS2 Version 9.0.2 on Windows XP. I am having trouble exporting images from a psd file, because the colors in the resulting image are not the same as in the original file ...