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Questions tagged [color-management]

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

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Colors exploded switching from Wayland to X11

I was using Wayland for a long time. Switched to X11 now and colors have exploded. Too much saturation. How can I make it more natural colors? I can't see any color profile in settings.
Andrew Harlan's user avatar
3 votes
2 answers
359 views

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 ...
amar's user avatar
  • 227
0 votes
0 answers
81 views

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 ...
Mark Casazza's user avatar
1 vote
1 answer
391 views

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 ...
cazort's user avatar
  • 160
1 vote
1 answer
35 views

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.
DrFlute's user avatar
  • 11
1 vote
0 answers
458 views

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 ...
MackleMcG's user avatar
1 vote
1 answer
1k views

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....
Hannu's user avatar
  • 5,599
1 vote
0 answers
166 views

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 ...
Timur's user avatar
  • 81
2 votes
1 answer
296 views

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 ...
Jay Dee's user avatar
  • 97
1 vote
0 answers
130 views

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 ...
llmarx's user avatar
  • 11
3 votes
0 answers
1k views

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 ...
Andreas Stesinou's user avatar
0 votes
0 answers
179 views

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 ...
Ingo Reimann's user avatar
0 votes
0 answers
56 views

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 ...
bpn's user avatar
  • 33
0 votes
1 answer
2k views

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 ...
Cho's user avatar
  • 1
1 vote
4 answers
2k views

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 ...
Fatipati's user avatar
3 votes
2 answers
621 views

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 ...
Rabbit's user avatar
  • 794
2 votes
0 answers
28 views

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 ...
BlandCorporation's user avatar
1 vote
1 answer
1k views

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 --...
Matthias L's user avatar
0 votes
1 answer
620 views

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 ...
Alex S.'s user avatar
  • 123
0 votes
0 answers
571 views

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 ...
Thunder_Ruler's user avatar
2 votes
0 answers
228 views

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? (...
Gavin Haynes's user avatar
1 vote
0 answers
281 views

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 ...
User's user avatar
  • 128
1 vote
0 answers
101 views

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 ...
Benjamin's user avatar
3 votes
0 answers
3k views

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?
mhovers's user avatar
  • 31
2 votes
0 answers
904 views

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 (...
Frank N's user avatar
  • 1,340
43 votes
6 answers
50k views

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 ...
Art Swri's user avatar
  • 1,312
3 votes
2 answers
1k views

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. ...
Student of Science's user avatar
11 votes
3 answers
17k views

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 ...
PalBo's user avatar
  • 243
1 vote
1 answer
410 views

How to color manage sddm login screen?

I'm using Kubuntu with sddm login screen. Currently, the monitor icc profile loads after login. I've tried "Install System Wide" in the colord system setting, but that appears to only make the profile ...
xiota's user avatar
  • 4,919
0 votes
1 answer
1k views

How do I get the values of the sRGB gamut and AdobeRGB Rating of my screen on Ubuntu?

I have started dabbling into Photo Editing and wanted to know the performance of my screen. I do not know however how to find the sRGB and AdobeRGB coverage of my laptop's screen. Is there a way to do ...
jar's user avatar
  • 171
2 votes
0 answers
71 views

JPEGs showing shifted colors in certain applications

I am running Kubuntu 19.10 with a Nvidia GeForce GTX 1050 Ti graphics card with the v435 drivers. After editing some photos in Darktable, I have found out that sometimes certain applications show ...
jenda's user avatar
  • 209
0 votes
0 answers
2k views

How to get rid of washed out Colors and make them brighter in Ubuntu 18.04 LTS?

My current brightness is at 1.2 and the Gamma is set at 1.0. I have tried a lot of combinations, but the Colors are either too bright or too washed out. I have also set the RGB range to full, but to ...
Name changed to mask identity's user avatar
2 votes
1 answer
78 views

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 ...
Peter F's user avatar
  • 501
3 votes
0 answers
2k views

Washed out syntax highlighting colors in VSCode

I have just installed Ubuntu 19.10 (coming from Win10) and have installed my preferred code editor VSCode - but noticed immediately that the color schemes are off: they are pale/washed out and nearly ...
Alex's user avatar
  • 131
1 vote
1 answer
403 views

Calibrate monitors having the same EDID

I need to calibrate two external monitors (they are not really monitors, they are 2 BlackMagic Teranex Mini HDMI to SDI 12G, but they are considered as monitors by Ubuntu) having the same EDID. Here'...
Tim Autin's user avatar
  • 119
1 vote
1 answer
2k views

Installed Ubuntu 18.04 the white color is too intense

I've tried googling this before posting this, but I installed Ubuntu on my new SSD and the white color is just way too bright and intense. When I go to Settings>Devices> there is no Color option and ...
Nabz's user avatar
  • 11
1 vote
0 answers
255 views

CompizConfig color filter not processing shader files

I can enable the color filter, toggle screen filtering with super-d, and then switch filters with ctrl-super-s, but only builtin filters work. I tried adding these filters (fragment shaders) https://...
caduceus's user avatar
  • 251
0 votes
0 answers
399 views

How Do I Change ALL the Colors of Ubuntu 18?

I tried to customize my Ubuntu 18 desktop colors by changing all of the purple and orange (hex and RGB) values in the gdm3.css to green, but I keep seeing purple when I sign out and sign back in and I ...
Justin Brunkow's user avatar
3 votes
0 answers
400 views

Kubuntu Color Management: Can't change gamma, etc

I recently switched from the Ubuntu 16.04 and the Unity desktop to Kubuntu 18.04. I'm trying to calibrate the monitor on my laptop (Thinkpad W520) with an i1 Display Pro and Display Cal. When I try ...
moorej's user avatar
  • 131
2 votes
0 answers
715 views

colormgr get-devices do not return all display

I have a problem about 'colormgr' I want to change color profile of all display but, I am not able to get a device from 'colormgr get-device' I use OS : Ubuntu 16.04 LTS GPU : Radeon pro ...
Sanggeun Ahn's user avatar
1 vote
1 answer
815 views

Ubuntu 18.10 night light stuck on

I recently upgraded from Ubuntu 18.04 to 18.10. Everything works fine, except on start-up the night light feature causes the screen to start to fade immediately. I can then find no way of turning it ...
christopherlovell's user avatar
2 votes
0 answers
423 views

Eye of Gnome - color washed out

I'm having problems with Eye of Gnome, the image viewer. I'm using Ubuntu 18.04. Unfortunately, the colors seems washed out, the images seem to lack contrast. This problem only happens with Eye of ...
Davide_sd's user avatar
  • 269
1 vote
1 answer
214 views

How to turn on Redshift, without Redshift trying to determine if it should be turned on?

I'm having trouble getting Redshift to dim my screen when i want it to. One problem is that it sometimes complains that it cannot fetch my location due to a geoclue2 error, so it doesn't turn on as a ...
Digital Ninja's user avatar
8 votes
4 answers
7k views

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 ...
ccristian's user avatar
  • 191
1 vote
0 answers
170 views

can't select a color profile to be applied to my laptop screen

My laptop has a Full HD display but the default hue, contrast, saturation etc. settings on it are so bad that I needed to adjust them in Windows 10 to be much more pleasant. So I used tools like ...
speedy's user avatar
  • 21
3 votes
1 answer
167 views

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-...
user22611's user avatar
  • 405
7 votes
1 answer
16k views

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 ...
wout's user avatar
  • 279
1 vote
0 answers
86 views

Color Management 2 monitors on Ubuntu Studio 16.04 with Spyder5 express

I am using Ubuntustudio 16.04 with 2 Dell ultrasharp monitors (same model) with Spyder5 express. Xubuntu which it is base upon doesn't have colour management for one thing. Where I am really lost is ...
Jpaulb's user avatar
  • 11
1 vote
1 answer
4k views

Apply Icc color profile in xubuntu

How to apply icc color profile in xubuntu 18.04 ? I am trying to use xcalib but only thing i am getting is "Error - unsupported ramp size 0".
AKT's user avatar
  • 31
4 votes
1 answer
713 views

Wrong black color on YouTube videos

I have some troubles with black color on YouTube videos. See the screenshots below: on left - screenshot from my android phone, and there are true black color on right - screenshot from my ubuntu ...
nilagor's user avatar
  • 51