Questions related to colour management of the machines display, etc.

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2answers
501 views

How to get accurate colors and contrast in Ubuntu?

I just bought a couple of Dell U2414H monitors, but I don't think this has anything to do with the monitors. In windows the black levels are perfect, but in Ubuntu the black levels are way off. ...
3
votes
1answer
1k views

How can I improve color saturation in Ubuntu?

My laptop, a Thinkpad T430 with Intel HD4000 graphics, shows pretty desaturated colors by default. On Windows I can just increase saturation using the Intel Graphics and Media Control Panel to get ...
3
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1answer
167 views

color calibration and 3d acceleration

I am a photographer and I am looking at moving to Ubuntu in the near future. I also enjoy playing games. I am planning on building a new computer specifically for Ubuntu. I've been doing some testing ...
1
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1answer
268 views

Display Contrast Ubuntu 14.0.4 x32 on Elitebook2560p

I downloaded icc-profiles and icc-profiles-free from apt-get and this gave me a few more options inside Gnome-Color-Manager / but I still have no option to Calibrate (button is disabled) and all of ...
0
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1answer
190 views

Adjust color settings

I am looking for a nice and simple way to adjust screen colours. Redshift seems to do it so it is certainly possible. Is there a utility which gives some Red, Green, Blue scroll bars to adjust screen ...
0
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1answer
932 views

How can I calibrate colors?

In System Settings -> Colors there is color panel but "calibrate" button is grey and I am unable to calibrate it by myself.
0
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1answer
137 views

accidentally applied color profile

I accidentally applied a color profile to my display in the color application in system settings. I was wondering if any one knew how to revert this, as there is no revert option in the window. I am ...
0
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1answer
815 views

How to set screen contrast using Ubuntu 12.04 on Macbook Pro?

I have a Macbook Pro running Ubuntu 12.04 LTS. It works fine with all the required packages. The only thing I see which is weird is colors are way too light. I think this is contrast ratio which I ...
3
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0answers
136 views

Spyder5 Monitor Calibration Ubuntu 14.04

I tried to get the Spyder5Express running under Ubuntu 14.04. Installed is dispcalGUI and the Argyll_V1.7.0 software. Unfortunately the device is neither detected in the GUI nor in the Terminal. I ...
2
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0answers
22 views

color problem Epson XP215

I just installed Epson XP 215. Printing plain black text works,only the CMYK colours are not lined up correctly: there is a vertical shift... Can someone help me on fixing that problem? Thanks in ...
2
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0answers
52 views

Is there a way to make cmyk thumbnail, images, look good in ubuntu

Is there a way to make cmyk thumbnails, images, look good in Ubuntu. Some appliactions like Krita and scribus show correct color on screen. I know they support cmyk profiles. But I wanted to know ...
2
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0answers
278 views

screen is displaying wrong colors after dual booting 14.04

I have a Dell inspiron 17r which has an Intel hd graphics 4400 GPU dual booted with Ubuntu and Windows 8. When I first tried Ubuntu without installing my screen was green instead of the usually ...
1
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0answers
96 views

Display color calibration error “unknown calibration display type selection”

Fresh installation of Ubuntu 15.04. Running Settings-Color-Calibrate Have "Eye-one display 2" sensor connected and working. Getting the message during step be step calibration configuration: ...
1
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0answers
79 views

What is a good Ubuntu application for adjusting the screen colour balance and contrast?

It seems that the screen of my Samsung Series 7 Chronos laptop has a weird white glare. (try seeing how the pdf file on the Overleaf website looks like!) I installed "redshift" but that is just ...
1
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0answers
31 views

Color settings keep popping up by themselves

Recently, my Ubuntu 14.04 installation is showing a very irritating behavior: every few minutes, the color settings window just pops up out of the blue. It says: "Each device needs an up to date ...
1
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0answers
303 views

Cannot calibrate my monitor & laptop

I want to calibrate my laptop (Ubuntu 14.04) and monitor because they have slightly different colors, but the calibrate button is grayed out. Why is that? How can I fix it?
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0answers
65 views

color adjusting in VLC

Does the VLC media player 2.0.8 have a control for separate adjusting R, G, B of its window? I have not found any; does a plugin exist for the purpose? Thanks!
1
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0answers
291 views

Edit color profile (.icc) to change gamma

As a lot of other users here on Ask Ubuntu, I need to use xrandr to correct the gamma settings on one of my external monitors. Settings applied this way aren't permanent and they can reset basically ...
1
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0answers
213 views

White text on white background in selections after fresh install in vm

I freshly installed Kubuntu 12.04 in my Oracle VM VirtualBox on Windows 7. Everything works fine except, that if I select any text in many applications (for example Bluefish-Editor) the background is ...
0
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0answers
18 views

Replace screen colors

Is it possible to replace colors on my screen? I want to search for colors close to white (#FFFFFF) and replace it with something darker like a light grey. My current setup is Ubuntu 14.04, XFCE, ...
0
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0answers
19 views

Color calibrate printer/ink/paper using the integrated scanner (without requiring a colorimeter/photometer device)

Ubuntu 15.04 has successfully recognized my All-In-One printer+scanner Canon PIXMA MG3550 as a Canon MG3500 series. Scanning and black-and-white printing are correct :-) But color printing does not ...
0
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0answers
14 views

Xorg blocking a specific color channel

I'm curious as to whether it's possible or not to block a specific color channel or set of channels in Xorg. (I.e. Display only Red/Red and Green on the screen instead of Red, Green and Blue); ...
0
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0answers
300 views

How do I MANUALLY calibrate my laptop's monitor color on ubuntu

My laptop's screen has a yellowish tint so when I look at a white page, it seems yellow. I was able to correct this in windows by using the built in color calibration tool to reduce the amount of red ...
0
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0answers
45 views

How can I apply a color correction LUT to an arbitrary X window?

Here is an explanation of what I mean by LUT: http://www.lightillusion.com/luts.html I'd be interested in ways to apply any of the three varieties of LUT described there: a LUT defined by a simple ...
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0answers
60 views

Ubuntu 14.04 Color Variable Troubles

I have tried all the links from the first 2 pages of google searches regarding editting the LS_COLORS variable, but I can't get it to work as expected. I want all my source code files to show up as ...
0
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0answers
106 views

How to make font black and background white on dash window

Ubuntu 14.04.1 Theme Radiance Opacity 0 Background solid color white I want simple black text on white background like in normal books. Dash window: for selecting programs program label font color ...
0
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0answers
2k views

Display calibration in Ubuntu 14.04?

I'm experiencing problems with my display. My monitor displays weird whites. In windows I can use Calibrate Display Color wizard and set the color balance of rgb to extreme low to fix it but cant ...
0
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0answers
49 views

Changing desktop item text colours on 14.04

I found questions like this on forum, but i need to change only text colour of the items on desktop folder. My wallpaper obstructs the black coloured item names. But i don't want to change the item ...
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0answers
16 views

Installation screen problems

on installing Ubuntu 14.04 two major problems colours are awful, can hardly see icons my screen is small, and can not scroll down to see final icons Questions therefore can colours be changed at ...