Questions tagged [colors]

Questions related to screen/app colour problems on display devices running Ubuntu.

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Alt + Tab - selected application hard to see 20.04.4 LTS

When using alt+tab or system+tab, I see icons of active applications. (Nearly, image with gimp, key printscreen don't work during alt+tab.) icons, selected icon with dark grey background Selected icon ...
Rolf's user avatar
  • 69
5 votes
0 answers
2k views

Preserve colors in console of a Bash script output while logging

I would like to preserve colors, in console, of a Bash script output, while logging and echo it to console. When I run a script with the following code, I lose colors in console. LOG_FILE="Merge....
Jags's user avatar
  • 2,166
5 votes
0 answers
123 views

Can you tweak the feedback for alt-tab in 20.04?

I have recently changed from 18.04 to 20.04, and the popup when you press Alt-Tab has changed. Mostly I approve, but I find the highlight around the selected item almost invisible against the ...
R.A. Litherland's user avatar
5 votes
0 answers
631 views

How to change color of desktop "Selection Box" ? "Not Duplicate"

First Picture. The Desktop "Selection Box" As You see in this picture, the color is brown same as my notification bubble, whereas the "selected" item color is the same with my theme. But notification ...
Edo Adianto Priadi's user avatar
4 votes
0 answers
757 views

Color calibration greyed out in Ubuntu 19.10?

I'm using an external display with my Asus Vivobook which has an inbuilt display of 1920*1080 resolution. Now, unlike Windows 10 where I could calibrate the inbuilt display by going to Intel graphics ...
Shiv_90's user avatar
  • 274
4 votes
0 answers
1k views

How to take a screenshot with colors as they appear in night mode

I often find myself in situations where some images have nicer looking colors in the night-mode. I often want to screenshot them. Unfortunately, what I get is the original image. Is there any way to ...
AnEnigmaticBug's user avatar
4 votes
0 answers
3k views

gnome terminal: change background color through bashrc

I want to change the color of the terminal display when entering a SSH session. In the .bashrc I have a snip that changes the prompt when logging in via SSH, but I need to change the whole background ...
Stephen Boston's user avatar
4 votes
0 answers
416 views

Screen-shot is changing colours

I have tried to take Screen-shot of webpage in Browser by many application available for Ubuntu 16.04. (e.g. kazam, PrtsS key,Alt+PrtSc, Shift+PrtSc,Screeshot). I have also tried Take a Screenshot ...
Vivek Sharma's user avatar
4 votes
1 answer
260 views

Strange colours in Ubuntu since October 12, 2017

Yesterday I installed updates as normal and colours became strange. The menus are very dark as are window title bars and text in the terminal is almost unreadable. Everything else seems fine. Here is ...
riscos3's user avatar
  • 221
4 votes
0 answers
2k views

Invert colors, change to grayscale as a toogle

I want to toogle my screen colors (for example with keyboard shortcut) between normal and inverted+grayscale. xcalib -i -a does what I need to invert them, but does not seem to be capable for making ...
Jānis Erdmanis's user avatar
3 votes
0 answers
493 views

Change the highlight color of text pasted into terminal

In the recent version of gnome terminal, when text is pasted into the terminal, it is initially highlighted in white. I would like to change this paste-highlight color to something else (preferably ...
Enterprise's user avatar
  • 12.3k
3 votes
0 answers
232 views

washed out colours while screen recording on ubuntu 20.04

I recorded my screen and the colours of video are looking washed out. I was using OBS so tried using color range settings as suggested by many answers online it did not work I then tried using simple ...
pramod's user avatar
  • 31
3 votes
0 answers
1k 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
3 votes
1 answer
597 views

File Managers - Colors by extension like Q-DIR for Windows

I have to use Windows at work and found Q-DIR, a great alternative to Windows Explorer, with a lot of missing features. It has a very useful feature that I haven't found on any Linux (GUI) browser (...
LC84's user avatar
  • 31
3 votes
0 answers
2k views

colors are washed out

I've installed Ubuntu 18.04 on a new desktop with a new screen and the colors seemed bleached (or washed out). This is more obvious with shades of gray that turn into white (e.g., read emails in gmail)...
Yuvalem's user avatar
  • 660
3 votes
1 answer
664 views

Evince color problem

I have a problem with color rendering in Evince (3.18.2) in Ubuntu 16.04: the colors are darker than normal since a few days. Below a picture that shows a pdf file rendering in Okular on the left (...
Lgen's user avatar
  • 131
3 votes
0 answers
479 views

Change color scheme for inactive list selection in LibreOffice on Kubuntu

To illustrate the problem, I use LibreOffice Writer as an example, although similar thing happens in other LibreOffice applications too. I'm not sure if this problem is isolated to LibreOffice only. ...
dww's user avatar
  • 236
3 votes
0 answers
1k views

Pidgin GUI uses "dark theme": not usable

Since I installed Gnome pidgin is using a color palette that is not readable. It uses dark text over dark background or light color text over light color background. In Gnome, in general, the "dark ...
estebarb's user avatar
  • 981
3 votes
0 answers
2k views

Strange colors when attaching laptop to TV via HDMI on Ubuntu 16.04

Every time I attach my laptop to a TV at work I get these strange colors. My coworkers don't seem to have this issue. The problem only exists when I attach it to a TV, normal monitors work just fine. ...
RockSheep's user avatar
3 votes
0 answers
429 views

Hue (tint, color) correction using avconv

I'm trying to make a demonstration of orange and blue color timing. I've been told I can do this in the YIQ domain by increasing the level of I and decreasing Q. So I want to take a video, rotate the ...
Damian Yerrick's user avatar
3 votes
0 answers
695 views

Fancy apt-get output

How can you have a cleaner and fancier output with or with out colors form apt-get not apt something like the yum update output
Talal's user avatar
  • 879
3 votes
0 answers
335 views

Possible to create a PDF that includes LO Writer's "Document Background" color?

LibreOffice Writer includes an "Export to PDF" option. When I use this, the PDF's background is always white. Yet in the LibreOffice Writer file I am exporting from, it has a dark-gray background. In ...
user308393's user avatar
  • 1,297
3 votes
0 answers
828 views

Color became weird after running a game in Wine?

Alright, so, I'm not entirely sure how to explain this... Screenshots don't show anything wrong, and Skype friends on screen share say it looks fine. But restarting fixes it. (For the most part (more ...
Pixel Silzavon's user avatar
3 votes
1 answer
725 views

How can I change the color of gedit's spell checking underline?

I upgraded to Ubuntu 14.10 today, and in its version of gedit (3.10.4), the spell-checking plugin highlights misspelled words in light grey. Is there a way to change it back to red? I poked around the ...
paul-s's user avatar
  • 43
3 votes
1 answer
934 views

Firefox ignore GTK theme for localhost stuff

I know this is pretty much a duplicate of How can one make Firefox ignore my GTK theme entirely?, but the answers on that one are no permanent solution. It works by launching firefox from the terminal....
MarioDS's user avatar
  • 183
3 votes
1 answer
1k views

Why don't custom colour settings in LXAppearance affect all applications?

In Lubuntu 12.04 I have created a customised colour scheme (using LXAppearance) which uses orange for selected items instead of blue. Many applications don't appear to use the custom colour scheme ...
Arthur Blair's user avatar
  • 1,452
2 votes
0 answers
67 views

Change GNOME Activities Overview Highlight Color

The GNOME activities overview allows you to select items, all the while using a gray background, and a dark gray highlight to indicate the item selected (see picture below Utilities). There is almost ...
jophuh's user avatar
  • 135
2 votes
0 answers
361 views

How to change color in the app switch window in Ubuntu 22.04?

When I switch between applications using ALT + TAB, a small window appears in the middle of the screen and lets me choose another application. My problem is that the color of the highlighted ...
user153245's user avatar
2 votes
0 answers
506 views

Can I change the mouse pointer color?

I'm faced with a small but long-time nuisance. I frequently work remote from home using google remote desktop. I connect to my windows 10 PC and there I use vnc client to connect to my ubuntu 20.04 ...
Chan Kim's user avatar
  • 1,959
2 votes
1 answer
6k views

How do I calibrate Laptop screen in Ubuntu 22.04 OR How do I know what my current Color profile is?

I am using Ubuntu 22.04 LTS on an HP Laptop. In Settings, there is a section for Colors under which my Laptop Screen is Not calibrated and when I try to Calibrate it, the button is greyed out, as ...
S_H_'s user avatar
  • 41
2 votes
0 answers
343 views

Can anybody help me do a deep dive into how Dolphin under KDE generates text file thumbnails?

Ubuntu 20.04 LTS, with KDE installed on top. Problem: When using a dark theme, text file thumbnails in dolphin use a light color for the text, but do not change the background, leading to white-on-...
O Ocalhoun's user avatar
2 votes
0 answers
202 views

output text in more than 8 colors on an xterm

I'm embarrassed to ask this question, since there have been so many postings on the topic, but the discussions in them have been way above my paygrade, and I'm hoping somebody could give a really ...
Leo Simon's user avatar
  • 1,529
2 votes
0 answers
195 views

Ubuntu 18.04 fixed color and transparency in the top bar

How can I prevent the Top Bar from changing color and / or transparency? I mean, when I don't have windows that touch the edge I see it transparent and when instead there is some maximized window, or ...
Nicholas Redi's user avatar
2 votes
0 answers
2k views

How to change nautilus title bar background color?

I want the titlebar background color of Nautilus (when active window) to be significantly different from the title bars of background windows. By default, the background color is too similar to ...
Wonko the Sane's user avatar
2 votes
0 answers
258 views

change colour of desktop icon name in gnome ubuntu 18.04.4 LTS

I want to change icon name color from white to black. I have already tried theme settings through gnome tweaks. I am using Adwaita(default) for applications and icons. I have now changed the icons ...
Mohammad Shahwez's user avatar
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
  • 219
2 votes
0 answers
228 views

Black colors in some applications backgrounds

I install KDE on Ubuntu GNOME and set on sddm and again remove full KDE and set to GTK, after do it some apps color black and problem. I see this problem on Ubuntu store and disk application. How to ...
Javad's user avatar
  • 121
2 votes
0 answers
644 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
2 votes
0 answers
338 views

customize plasma notes background color (in Kubuntu)

I'd like to change the background color of my plasma notes. I know that with knotes is possible change the background color, but I believe that plasma notes are better (I had also problems with knotes)...
Duns's user avatar
  • 189
2 votes
0 answers
3k views

How to change Display color settings Ubuntu?

On Windows I have an "Intel HD Graphics Control Panel" that allows me to change the screen's color settings (brightness, contrast, hue, saturation etc.) I was looking for a similar tool on Ubuntu but ...
Liga's user avatar
  • 531
2 votes
0 answers
333 views

Ubuntu 18.04 inverted colors in PDF print after reinstalling libgs9-common package

After upgrading to Ubuntu 18.04, CUPS would no longer print PDFs. I checked /var/log/cups/error.log and discovered these error messages: /base/gsicc_manage.c:1244: gsicc_open_search(): Could not find ...
Admin skf's user avatar
2 votes
0 answers
280 views

Nouveau driver: colours and shading all wrong

How can I deal with the colour problems that the latest Nouveau driver provides? As you can see from the attachment, this causes transparency where it shouldn't, red where it should be grey and in ...
Opux's user avatar
  • 227
2 votes
1 answer
374 views

Is it possible to apply different colors to terminal tabs in GNOME based on the opened directory?

Is it possible to apply different colors to terminal tabs in GNOME based on the opened directory? e.g. having red background for tab when it is open in: /path/one/* and the green one when tab is ...
jjjmm's user avatar
  • 21
2 votes
1 answer
3k views

How to adjust my display contrast and colors

I am relatively new to Ubuntu and I want to adjust the color gamma, and contrast of the display. I am using notebook, video card is AMD Radeon R5 M255, Ubutnu 17.10. The purpose of this is to make ...
Jeni's user avatar
  • 121
2 votes
0 answers
309 views

Changing default colors of a specific program

I am using Todolist program in console. The dates are in blue color and it is hard to see them. I have seen some ways to change the general settings of the console: Changing the colors of lxterminal ...
joshsoj's user avatar
  • 115
2 votes
0 answers
764 views

Why have colors suddenly become dark and saturated in Gtk3 features & applications on my GNOME system?

I've tried to search through the forums to find out why my folder/files icons became darker, why my font is different than how it was before and why many system applications are very saturated in ...
Jamal Awad's user avatar
2 votes
0 answers
407 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 ...
qwerty's user avatar
  • 51
2 votes
0 answers
309 views

Change the color of panel underline

No matter what I try I can't find a way to change the color of the underline, it's annoying because I don't really like the color blue and it overrides the underline or highlight for the panel on ...
Indoorjoker's user avatar
2 votes
0 answers
1k views

How does terminal palette work

So my question is basically simple. What is this color palette in color preferences of the terminal? Where can i see which color does what. What every color from this palette is responsible for? You ...
harumando's user avatar
2 votes
0 answers
863 views

Change screen settings? (Confusing gnome color management settings on Ubuntu 14.04)

My screen on my Sony Vaio svt141190x is displaying very washed out colours and I meant to adjust them. I have been told I could do this via the gnome color manager that I can access via the settings ...
clueless's user avatar
  • 151