Questions tagged [color-management]

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

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26 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 ...
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1answer
74 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 ...
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1answer
42 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 ...
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41 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 ...
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100 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 ...
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15 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 ...
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46 views

How do I tune the RGB and brightness of my screens?

I am running ubuntu 19.10. Using the command line, how do I increase or decrease the level of Red, Green, or Blue? I have 2 monitors.
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184 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 ...
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1answer
48 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'...
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1answer
274 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 ...
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67 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://...
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118 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 ...
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126 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 ...
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113 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 ...
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59 views

Terminal color palette seems to be missing one color

I am using nvim within my terminal to write some Latex. I created a color scheme which looks like this: The line numbers and some elements in the equations are brown. I wanted to change that, but ...
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28 views

KUbuntu - change color mode

Does anybody know how to change the color mode from RGB to ycbcr ok kubuntu 19.04? I tried to find it everywhere. Nothing works for me...
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19 views

How to get the original colors back when Printing to File?

Whenever I tried to Print a file to PDF it inverts the color of the original file and PDF file is in the inverted colors. How can I fix this? Please help.
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1answer
351 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 ...
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195 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 ...
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99 views

Tired eyes when using Philips 193v monitor

I decided to get used to Linux systems, but for some reason they make my eyes get tired (unlike Windows). My monitor (Philips 193v) The graphics card from the company Axel3D - Nvidia GeForce GTS450 ...
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1answer
146 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 ...
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2answers
2k 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 ...
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43 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 ...
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1answer
132 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-...
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1answer
4k 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. ...
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65 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 ...
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1answer
2k 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".
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1answer
492 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 ...
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2answers
2k views

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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3answers
2k views

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 ...
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2answers
1k views

Ubuntu 17.10 doesn't recognize color profiles

After installing 17.10 I got a warning that my custom color profile could not be loaded. I tried installing the color profile again using DisplayCAL but that didn't seem to have an effect. My custom ...
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1answer
180 views

Suitable color space preset for reducing eye strain in Ubuntu 16.04

I'd like to change my color profile permanently to something that reduces blue light as much as possible to reduce eye strain, but I don't know what each of the preset color profiles in the Color ...
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1answer
1k views

Changing the terminal font colors while running linux(ubuntu) in Windows PowerShell?

I'm running ubuntu through the Windows PowerShell. The path is in a blue color which is very difficult to read. How can the colors of the fonts, backgrounds, foregrounds be changed?
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952 views

HDMI colour issue with Ubuntu - where to start?

I have two PCs using exactly the same hardware. They come with windows preinstalled by the supplier. I've removed windows and installed Ubuntu on one of the devices, and am experiencing two problems: ...
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132 views

Red/green inverted images - green tint

I'm running Ubuntu 16.04 LTS alongside Windows 10 and have recently discovered that in certain images red and green are inverted - red appears green and vice versa as shown here: This error doesn't ...
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371 views

display color issue on MSI dominator laptop display

hi all i have this weird coloring on my MSI dominator laptop as shown below : any idea of what causes this?? which is only seen in ubuntu not windows 10 Nvidia GTX1060 with 381.22 driver.
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1answer
618 views

Why can I not activate ICC color profiles?

The color profiles in the list (Settings>color) look the same and seem not to get activated. Even the default 'Swapped Red and Green' looks the same, as well as the test profile I created in Windows ...
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1answer
560 views

Saturation slider in linux?

I can't find a saturation slider like in windows, where you go to your Intel control panel, and there's like color settings and you can just change it, but in Linux, I can't seem to find anything like ...
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2answers
5k views

Does Ubuntu has a MacOS like monitor color calibration app?

I do not have monitor color calibration hardware and I like to use monitor calibration app that is similar MacOS on Ubuntu, is there one?
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1answer
2k views

Permanently change system color temperature [duplicate]

I want to change my system screen color settings to red color temperature of 3000k. I am using ubuntu 16.04LTS, I have also tried with Flux and redshift, It doesn't help me. Flux - doesn't have ...
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0answers
920 views

How to calibrate my screen on Ubuntu 16.04?

None of the available color profiles for my monitor (Samsung SMB1630N) work properly and I cannot find any option to calibrate it myself. I searched for an updated version of GNOME Color Manager but ...
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2answers
2k views

Installing separate+ plug-in to GIMP 2.8, help me resolve an error.

I want to use the separate+ plug-in for GIMP, running GIMP2.8.16 on xUbuntu_16.04. I downloaded the zip-file from sourceforge here. (I chose version 0.5.8, the lower one). The readme that comes with ...
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1answer
939 views

what's the default color scheme of pantheon terminal? [closed]

The Color Scheme in elementary is super but I didn't know the name of it. I want to integrate it on all my software to have a nice and clean experience :)
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1answer
1k views

How to calibrate colors without a colorimeter?

Although this question has already been asked a few times before (without hardware, nvidia-settings), either the question was not answered clearly, or it relied upon a graphics card that is not ...
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1answer
745 views

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 ...
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1answer
1k views

Reset terminal 256 colour palette to default values

Let's say that something breaks the default 256 colour palette. As an example, pick on colour 108: printf "\033]4;108;rgb:ff/00/00\033\\" How do I undo this? I've searched all current "reset ...
2
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1answer
514 views

Photo print extremely dark and yellow. Profiling failed. What now?

I was given a Canon S9000 large-format photo printer which works perfectly in Windows 7. In Ubuntu 15.10, with the (default) Gutenprint v5.2.11-pre1 driver, prints come out extremely dark, and with a ...
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2answers
509 views

ICC color profile only loads after switching graphics mode?

Some time ago I installed Ubuntu 16.04 on my Dell XPS15 laptop. I've loaded an .icm profile, but it only works 50% percent of the time... I've also noticed now that switching it within the color ...
2
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2answers
1k views

Gnome Colour Manager & dispcalGUI calibration issues

I'm running 14.04 on a Sony Vaio VPCF13Z0E which has a NVIDIA® GeForce® GT 425M GPU card, and have both Gnome colour manager and dispcalGUI installed. I've a Colorhug which runs from the liveUSB but I ...
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0answers
879 views

Lack of colour calibration is hurting my eyes

So on Ubuntu, I can't find any easy way to calibrate the colours on my screen like I can in Windows with the Color Management tool. The colours in Ubuntu are too washed out. They're not warm enough ...