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

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24
votes
4answers
44k views

How to calibrate the monitor on an Ubuntu system?

What is the procedure to calibrate the monitor and what software to use? Edit: I think what I mean is "colour profile" if that's what it is called. I happened to notice that the same photos look very ...
12
votes
5answers
16k views

How do you change your screen's color temperature?

How do I go about changing my laptop's display's color temperature? And I don't mean through something like the Red, Green, Blue sliders in the NVIDIA config menu. I'm talking about like adjusting in ...
11
votes
4answers
6k views

How do I set the prompt to use two colors?

One thing I liked about Mint was that the terminal would usually show two colors: everything from the left to the $ would be one color, and everything past the $ would be another. Is there a way to ...
11
votes
2answers
19k views

How do you set system display color profiles in Xubuntu and Lubuntu?

Some applications, such as Gimp, Geeqie and Rawstudio claim to be able to use system color profile in their color management, but how do you setup such a profile? How do you see, if such a profile has ...
8
votes
0answers
3k views

Gtk-redshift can't get location using geoclue [closed]

I have always used gtk-redshift to adjust the color temperature of my laptop, but since I've upgraded it to Ubuntu 12.10, redshift doesn't work anymore. When I start it I get this error: Started ...
7
votes
2answers
15k views

How-to make file have different color when doing ls?

When I execute command ls it displays files and folders. folders are typed in light blue. I would like to have xml files types in pink color. How to do it?
5
votes
2answers
517 views

Turning Ubuntu 12.04 entirely Grey/B&W/Monoscale

Does anyone know a way to change the color settings of the entire display to grey (or saturation to zero)? I have compiz Settings Manager installed if that helps but don't know how to do it there.
4
votes
1answer
716 views

Is there a way to apply a color profile system-wide?

I've calibrated two displays and like to apply those color profiles system-wide. This should also include the lightdm user, as the switch to my user's color profile happens while logging into the ...
4
votes
1answer
2k views

Setting a greyscale (or monochrome) color scheme

I would like to see everything on my computer screen in grayscale (like say the kindle screen). How do I do this?
4
votes
3answers
2k views

What's the best alternative to TwinView so I can calibrate both my monitors independently?

In advance of being in a position to properly calibrate my dual monitor set-up under Ubuntu, I really need to move from using Nvidia's Twinview to something else as Twinview is seen as one single ...
3
votes
1answer
8k views

How do I calibrate colors without extra hardware, like dccw.exe on Windows?

Colors on my monitor are too yellow. On Windows 7, there is the color calibration tool accessible from the Control Panel, or as dccw.exe. I'd like to calibrate color without extra spectrometers ...
3
votes
2answers
2k views

Can a 10-bit monitor connection preserve all tones in 8-bit sRGB gradients on a wide-gamut monitor?

This question is about color management and the use of a higher color depth, 10 bits per channel (30 bits in total, resulting in 1.07 billion colors, or 1024 shades of gray, sometimes referred to as ...
3
votes
1answer
313 views

Why isn't gnome color management having any effect at login?

Since upgrading to Natty, my carefully produced monitor profiles are not being loaded at login. As soon as I open gnome color management they kick-in (I don't have to click anything), but I don't ...
3
votes
0answers
88 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 ...
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
votes
4answers
7k views

How to use GNOME Color Manager in Ubuntu 12.04?

I need to correct colours displayed by my monitor. From the 'Ubuntu Software Center' I have installed the 'GNOME Color Manager', but I cannot use it for making my own colour profile: I have not found ...
3
votes
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 ...
3
votes
2answers
4k views

How to install colour profile screen device not listed

Under Natty I had a lovely .icc calibration file for my laptop's screen. It's awful without it. Under Oneiric, when I go to 'Color' in the settings manager only my webcam is listed in the devices ...
3
votes
0answers
257 views

Automatically deactivate Redshift when playing videos in fullscreen [closed]

I'm using Redshift to adjust color temperature according to the position of the sun. When I start to play videos in fullscreen I want it to (automatically) be deactivated, and I want it to ...
2
votes
3answers
648 views

Is there a color scheme generator for the Desktop that can simulate color blindness?

Are there any color scheme generators that can simulate color blindness and export these results to a color palette file or generate a css stylesheet ? I've used Gpick and was recently introduced to ...
2
votes
1answer
12k views

How to change GTK3 color scheme on Ubuntu 13.04

I am making the transition from Windows 7 to Ubuntu 13.04. I have run Ubuntu twice on my laptop before, and switched back to Windows 7. Mostly because the orange and gray colors of Ubuntu is just ...
2
votes
2answers
3k views

Colour Calibration Hardware Compatible with Ubuntu 12.04 LTS

I have a Thinkpad W520 and it has a Pantone colour calibrator.I looked it up here and in Google Search but as it seems the gnome colour manager can't use it as calibrating device at all(maybe there is ...
2
votes
1answer
861 views

external monitor has very washed out colors, blacks look almost gray

I have a macbookpro (late 2013 retina model - 11,1) running xubuntu 13.10. I have the main laptop monitor and two Asus VS238H monitors. One connected by DVI and another by HDMI. Currently, one ...
2
votes
1answer
622 views

How can I invert my display colours under Kubuntu?

I installed the KDE graphical interface to run alongside GNOME for my 10.10 installation. For the most part, it seems to work well, and the extra eye candy is appealing. However, there is one thing ...
2
votes
2answers
837 views

Is there a GUI application for adjusting monitor color?

I have an Asus laptop with an i5 processor, and an nVidia 610m graphics card, and an external monitor that is slightly pink. It was easy to fix this with the Windows control panel. Seeing that Ubuntu ...
2
votes
1answer
98 views

How do I change color profile via terminal commands?

I frequently change color profiles from the color settings. I would like to set an alias for convenient switching between color profiles e.g. D50 to D55 and switch back. Does anyone know how to ...
2
votes
1answer
169 views

Calibrate Printer Color by Hand

How does one calibrate the color of a printer by hand or by eye. More specifically, the printer just has to match the monitor, it doesn't matter if they are both perfect. Is there a way that you can ...
2
votes
1answer
263 views

Gnome Color Manager, To/From sRGB Tabs

When I open gnome-color-manager, select a profile, and hit "View Details", there are two tabs labeled "From sRGB" and "To sRGB". I'm not sure exactly what these are, but I assume that you want them ...
2
votes
2answers
423 views

Display not shown in Gnome Color!

I want to change the color profile for my display in Gnome Color but my display isn't in the list. How do I add my monitor, an Asus ML238, to Gnome Color? When I look at Display settings it says ...
2
votes
0answers
16 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
votes
0answers
50 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
votes
0answers
265 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 ...
2
votes
0answers
15 views

How can I turn my screen mode to grayscale? [duplicate]

I would like to temporarily turn my screen gray, to estimate how certain images would appear if printed with a black-and-white printer. I think xcalib could do it but I don't know how. Does anyone ...
1
vote
2answers
2k views

Which ICC Profile should I use for my notebook screen (Toshiba Tecra)?

I have a dual monitor setup on my Ubuntu 12.04 LTS: the primary screen of my notebook Toshiba Tecra R850-11D my external monitor Samsung SyncMaster P2470HD The external monitor has a much better ...
1
vote
2answers
5k views

Where does Gnome Color Manager store the ICM or ICC files?

I am trying to create a professional photography workflow in Ubuntu. I've calibrated my monitor with a Spyder 3 (works out of the box in 12.04). But I need to know the file path to the monitor ...
1
vote
1answer
187 views

How can I make the color reverse application autostart when I log in?

The application make the color reversed when i type super+m. I don't know what 's its name, and how can i make it start automatically when i log in?
1
vote
1answer
31 views

Screen has broken color set after a while - Ubuntu 14.04

After a while of no activity the screen locks, but when I log in the screen looks like this: :D I am sure it is something with the software, not the hardware as I have never experienced similar ...
1
vote
1answer
109 views

Ubuntu : Why little yellow tint on display?

Why little bit yellow tint on Ubuntu OS? When I see white colors on both the windows and Ubuntu. Ubuntu is little yellow display. Why Its little tuned by Yellow color? Sorry I don't know weather its ...
1
vote
2answers
608 views

Color calibration not working in 10.04.4 with GNOME Color Manager

Calibrating my monitors, or loading a different icc profile, does not affect the color representation on my monitor. System setup: PC: MD8822 dual core. OS: ...
1
vote
0answers
78 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
vote
0answers
69 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
vote
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
vote
1answer
245 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 ...
1
vote
1answer
240 views

14.04: gnome-color-manager - fails to connecto 'instrument'

When using: System Settings > Color > (select display) > Calibrate ... to attempt to do calibration on a display I consistently get: gnome-color-manager new_disprd() failed with ...
1
vote
2answers
450 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. ...
1
vote
0answers
293 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?
1
vote
0answers
59 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
vote
0answers
272 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
vote
0answers
205 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 ...
1
vote
1answer
2k views

How can I get a Spyder 2 colorimeter working?

I've got a Spyder 2 colorimeter that I'm trying to get to work under Natty (11.04). I'm following the instructions that are outlined here and the output I'm getting in the terminal is: Setting up the ...