Questions tagged [color-management]
Questions related to colour management of the machines display, etc.
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printf statement with background and foreground colours
I know that a background colour code is \033[41m, whereas a foreground colour code is \033[32m. I am interested in making a code for changing the background and foreground in a console terminal ...
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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 ...
CommunityBot
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Uninstalling and then reinstalling nvidia-384, kills colord
I think I've encountered a bug with the nvidia drivers in Ubuntu 17.10.
When I remove nvidia-384 using sudo apt remove nvidia*, colord seems to stop being able to detect my monitor.
I reinstalled ...
CommunityBot
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Dark theme on nemo
New Linux user here. I have a dark theme on Ubuntu 22.04 but Nemo 5.24 it does not show up. Is there anyway to set a dark theme in Nemo? I saw an answer to a question similar to mine but it was made ...
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Changing the background color of the File-Manager
I have Ubuntu 14.04. The background color of the File-Manager. White is too tiring for my eyes. Is there any way I can change this to something dark, maybe gray or black?
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How do you control which monitor the calibration occurs on
I'm running Ubuntu 22.04.3 with a AMD Radeon HD 6570 video card with 4 DVI based monitors connected. I have a Datacolor Spyder X color calibration device. When I begin the process to calibrate one of ...
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Color Calibration Broke After Upgrade From 18 to 22: Enabling / Disabling / Changing Color Profile Does Nothing
I had set up a color profile on my old Ubuntu installation, which was version 18, and it worked great. I didn't do custom calibration, I just used the provided profile for my ThinkPad T580, and the ...
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In Ubuntu 22 how to replicate terminal colour scheme from Ubuntu 16
I liked the colour scheme of the terminal window in Ubuntu 16 and want to setup my newly installed Ubuntu 22 to the same ... but the colour schemes listed under preferences don't seem to do it.
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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.
...
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Changing ls highlight colors in Windows Terminal with WSL
I'm trying to change the highlight colors in my shell for WSL, but there's a lot going on here so I'm not sure where to look. I am using Windows Terminal and running WSL with Ubuntu. My default shell ...
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default color profile for displays
I'm wondering if there's a config parameter or a terminal command that can set all and any future displays that are connected to use an sRGB color calibration profile.
I have a computer that has a ...
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Ubuntu 20.04; how to import a color profile
I'd appreciate help to find a description that actually works for 20.04 as these three pages have the same text:
https://help.ubuntu.com/20.04/ubuntu-help/color-howtoimport.html.en
https://help....
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Image colors are wrong in 'eog'
When I open an image file in eog it displays the wrong color.
Here is a screenshot of the problem:
And here is a screenshot of the problem temporarily fixed:
by using
xprop -root -remove ...
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How to turn on Night Light Blue Light filter in Ubuntu 20.04
The Night Light filter, also known as Blue Light filter or Color Temperature filter, is a bit hard to find in Ubuntu 20.04. The Night Light tab is now in shown in the title bar, next to the Displays ...
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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?
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How do I apply color profiles in Xfce?
In GNOME, you can use GNOME Color Manager. But how can I do this in Xfce?
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Can I run gcm-calibrate on Xubuntu without installing all of Gnome?
I've got the ColorHug and it's got this nice LiveCD that runs Gnome and runs through a user-friendly monitor calibration program. Can I do this from Xubuntu, without booting into the LiveCD?
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Calibrate a display without a colorimeter
I have an old laptop with a display with bad color reproduction.
I want to try to create a specific color profile for this display. But I don't have any color calibration devices, and want to do it by ...
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Is it possible to have f.lux (software that adjusts display's color temperature) on Ubuntu 14.04?
f.lux is software which adjusts temperature of your display according to time of the day. Is it possible to make f.lux work in Ubuntu 14.04? If so, maybe you can share your knowledge or point me to a ...
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Ubuntu 22 Firefox tab color
My computer upgraded from Ubuntu 20 to 22 last night. now the tabs are all the same color when i go on the internet, the color scheme barely highlights the active tab, they are all just gray with ...
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Looking for advice on color calibration through ubuntu color settings for my LG C1 OLED
I've recently decided to daily drive Ubuntu instead of Windows 10, and I was looking into how to get HDR working on my LG OLED(OLED55C1PUB), but from what I can tell HDR is not supported on Ubuntu ...
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Ubuntu 22.04 display color calibration problem
Preface. I just upgraded to Ubuntu 22.04 from 20.04 and wish to use my SpyderX colorimer to calibrate my two displays (one is laptop built-in, the other is Philips 273V on HDMI).
On 20.04 the SpyderX ...
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color profiles half installed on big screen | U20.04 -> U22.04
After upgrading from Ubuntu 20.04 to Ubuntu 22.04 I have a strange behavior on my LG 34WK95U. The screen is fed via Thunderbolt cable from a Dell XPS 15 9560. The screen resolution is 5120x2160. The ...
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Lubuntu 20.04 video streaming: colours too pale
Live streams of tv stations are paler than the actual tv programme. This seems to hold true for streaming in browsers (Firefox and Google Chrome) as well as VLC streams.
I have Lubuntu 20.04 (lxqt ...
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How can I change directory text color in C shell?
I want to change directory color in cshell. So I copied /etc/DIR_COLORS file to my ~$home and named .dir_colors. I modified that file but it doesnt change the text color. If I source that file then ...
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Scanner colour cast - ICC ignored
I have an Epson ET2750 all in one and whilst the scanner works fine with Ubuntu, it always scans with a blue colour cast. Scanner to the memory card in the printer works correctly so I know it's ...
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Colour filters other than red (maybe a cheap alternative to precision tinted lenses)
Is this possible? Is there software to have a magenta or turquoise color filter, for example?
( It's an accessibility issue, relevant to irlen syndrome: I see extra shapes around letters and certain ...
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How might single windows be made negative for the purposes of accessibility?
Previously I was able to set single windows to turn to negative colours using CompizConfig Settings Manager. One could enable an accessibility plugin called "Negative" to switch the window ...
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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 ...
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Color Calibration error on Ubuntu 21.10
I just updated to Ubuntu 21.10 and I am facing a problem with my monitor color calibration profiles. I generated ICC profiles for my monitor and could use them with the default "System settings --...
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How to calibrate screen colour in Ubuntu 18.04 LTS?
The color on the screen of my Dell XPS 15 is rather blue-ish. The D55 (5500K) profile is too yellow and D60 is too cold.
Ideally I'd like a profile configured at 5700k, or somewhere in that zone. None ...
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How can I set a certain temperature on Redshift?
I just switched to Ubuntu, and on Windows I was using f.lux. I was able to set the temperature to a certain time and leave it at that, it wouldn't change at all.
Now I installed Redshift and I can't ...
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Adobe RGB Monitor behaves like sRGB under Xorg & HW Acceleration
Having a monitor that supports 100% of Adobe RGB color space. Used it for a while with Xorg and NVIDIA GPU after I found out that effective color gamut used was sRGB.
I have noticed that with disabled ...
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Apple TrueTone alternative?
Are there any alternatives to Apple’s TrueTone that works without a TrueTone sensor? (e.g. the ability to adjust the warmth of the display based on the color temperature of a room measured by a camera ...
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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 ...
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Is there a way to shift the screen color hues with colors inverted?
I've managed to invert the screen with xcalib -alter -invert, but now blue is orange etc.
Isn't there a way to hue-shift the screen colors as well, so only the brightness is inverted and not the hue?
(...
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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 ...
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Weird browser colors in Ubuntu 18.04
I have been running 18.04 for about 3 months and I started to see weird colors in the browser. Note the green/yellow/blue edge on the react symbols here
Can anyone point out a reason for why this is ...
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Printer Color Management How do I calibrate my printer?
I currently have a dilemma. My computer prints fine on windows, but in linux the colors are too dark. I am relatively new to linux, and I can not for the life of me find out how to make my printer's ...
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Colors on the screen is washed
I tried xgamma, xrandr everything, none works.
This is how my screen looks now, the colors are dull.
Now for vlc I can change color settings for the video, to get an output like this. Please note ...
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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 applications like Krita and Scribus show correct colour on screen. I know they support CMYK profiles. But I wanted to know ...
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Screen lock disables color correction profile
I calibrated my monitor using a colorimeter and the color tab in Gnome settings.
The color on the screen looks good until the screen turns off (automatically after some time). When the screen starts ...
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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 ...
CommunityBot
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How do I adjust the hue (intensity) of GNOME Night Light?
I tried to use GNOME Nightlight in Ubuntu 17.04. The settings only allow me to turn it on and adjust the time. Is it possible to adjust the intensity or temperature of the hue? Currently, it's a bit ...
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color scheme for Ubuntu terminal from WSL-2 install
I'm using WSL-2 under Windows 10 which has installed Ubuntu 20.04. The color scheme of the Ubuntu terminal has dark blue on a black background, which is unreadable. How do I change that?
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spyder 3 color calibration with 17.10
With Ubuntu 17.10 (artful aardvark):
when trying to calibrate my monitor with my datacolor spyder 3 calibration tool using the settings - devices - color manager, after I am told to hang the ...
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JPGICC: What does the option described as "Precalculates transform" do?
The man page of jpgicc says -c NUM Precalculates transform (0=Off, 1=Normal, 2=Hi-res, 3=LoRes) [defaults to 1].
I was not able to find more information about that option. To me it seems 1 is a trade-...
CommunityBot
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Can I adjust the White Balance/Color Temperature (hardware) settings of my monitor?
I know that one can do quite much programatically (shell commands) to the attached monitor hardware in Linux:
turn it on/off (truly, hardware-wise) with xset dpms force off
toggle the brightness (...
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build gimp separate-plus: undefined reference to symbol 'pow@@GLIBC_2.2.5'
How can I get the Makefile of separate+0.5.8 to build the respective gimp plugin?
Problem description
Following the usual
make
sudo make install
steps for separate+-0.5.8 with lcms2 (uncommented ...
CommunityBot
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Make Ubuntu's Night Light look like Manjaro KDE's Night Color
How can I make Ubuntu's Night Light look like Manjaro KDE's Night Color? I want this because Manjaro's Night Color has a lot more features that allows me to customize the settings the way I want.
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