Questions tagged [colors]

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

Filter by
Sorted by
Tagged with
0 votes
1 answer
499 views

How to improve monitor saturation?

Recently I have installed Ubuntu on my laptop and noticed that colors are very dull and washed out and the color calibration option is grayed out. -GPU: Intel UHD 620 -Ubuntu 22.04 LTS -monitor: built ...
isntthatweird's user avatar
0 votes
0 answers
55 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
382 views

Colouring grep pattern match with a preferred colour

I am using the following pattern matching to colour in a preferred colour using tput. | sed -r $"s/^==> .* <==$/$(tput setaf 46)&$(tput sgr0)/" I wonder if I can do a similar ...
Fatipati's user avatar
  • 371
2 votes
4 answers
5k views

Upgrading to 22.04 printer doesn't works in Color

After Ubuntu upgrade to 22.04, the printer Nashuatech Aficio MPC2051 print only in Black/White and doesn't print in COLOR mode: I tried to reinstall drivers. In Ubuntu printer setup if i select 'Color'...
Emilio's user avatar
  • 2,061
6 votes
0 answers
246 views

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
3 answers
4k views

Color settings missing from Ubuntu 22.04

After installing Ubuntu 22.04 the colours on the laptop's monitor don't look right (they are pinkish compared to the external monitor). According to this answer you need to change the colour profiles. ...
iasonas's user avatar
  • 51
24 votes
3 answers
21k views

Ubuntu 22.04 shows wrong colors

Before opening a bug I would like to know if anyone else has the following Update from 18.04 to 22.04 with exactly the same hardware, nvidia GTX 1050ti graphics card and same monitor, while in 18.04 ...
Mario's user avatar
  • 959
-3 votes
1 answer
89 views

Printing with colour codes

I want to write some text in colour from a bash script, but the string " -s, --with-sequence" is not getting printed. local rc="\e[0m" local bfcode="\033[0;49;33m" local ...
Fatipati's user avatar
  • 371
2 votes
1 answer
2k views

How to use HdyStyleManager:color-scheme?

WSL version: 0.58.3.0 Kernel version: 5.10.102.1 WSLg version: 1.0.33 Description: Ubuntu 22.04 LTS Release: 22.04 Codename: jammy When opening some programs, e.g. nautilus, I get the ...
Eigil Krogh Sorensen's user avatar
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
1 vote
1 answer
317 views

22.04 Ubuntu Live USB Has Pink Headers

I sort of like the pink header on the 22.04 Ubuntu live USB, but on the actual install, that is not there. The only themes are on the accent color. I wonder why this is not included in the actual ...
Bhikkhu Subhuti's user avatar
-1 votes
1 answer
410 views

Second Monitor blue tones turns to purple [Ubuntu 20.04]

i'm currently using dual boot with Windows 10 and Ubuntu 20.04 on my laptop, and i found a problem with my second screen that (when i'm on ubuntu) turns all the blue tones into a purple-ish tone. On ...
Matheus Sch's user avatar
0 votes
0 answers
24 views

How do I change the default colors without addon software?

I don't like the Orange and Purple color combination. I can change it by adding thrid party applications to enable me to change it, but I'm thinking I shouldn't need to; I mean, the Orange and purple ...
Ted Montana's user avatar
1 vote
0 answers
2k views

Alacritty Color Schemes Not Working

Color Change for Alacritty Terminal not working. Usually it works by just changing a configuration file and saving. This started occurring after I used this command: LS_COLORS=$LS_COLORS:'di=0;35:' ; ...
user avatar
4 votes
4 answers
5k views

Changing zsh-autosuggestions color

I have installed zsh-autosuggestions plugin in oh-my-zsh. I'd like to change the colour of the text which comes in suggestion. My current color is very similar to that of what comes before. Please see ...
menteith's user avatar
  • 261
2 votes
3 answers
2k views

Terminal won't display colors for non-root users

When I'm logged in as root, I can display colors, but not when I switch to another user. The command ls --color=auto only displays colors once when logged as normal user. I searched a lot and did a ...
Rayan Araujo's user avatar
0 votes
0 answers
44 views

HP officejet 7000 network printer printing totally wrong colours after automate of Ubuntu 20.04 lts

I have had an HP officejet 7000 for 5 years and it has always worked perfectly with ubuntu. I updated to Ubuntu 20.04 lts six months ago and it still worked fine. Then after a routing 'security' ...
Richard Jannaway's user avatar
3 votes
1 answer
1k views

How does nano determine syntax coloring for a .txt file?

I've recently discovered, that when I open a new text file (extension .txt) in nano, there is actually a limited syntax coloring: That is, if a line starts with number sign/hash, it is colored. I ...
sdbbs's user avatar
  • 1,488
1 vote
0 answers
23 views

In Ubuntu generated PDF graphs change colours when used

I generate many graphs using either Spyder or terminal (I)Python (Python 3.7) in Ubuntu 20.04.3 LTS, and I have noticed that if I load such a PDF graph in open office or online on overleaf the colours ...
Linda's user avatar
  • 103
0 votes
0 answers
923 views

color calibration

I bought a Datacolor SpyderX because I need to color calibtrate my Laptops and according to the site it was supported. One computer is runnung Ubuntu 20.04 LTS and one 21.10. With one it is possible ...
Michael's user avatar
0 votes
0 answers
741 views

Green file names and folders after backing up data in Linux

I've recently wanted to switch from Fedora to Ubuntu and after backing up my data to an external hard drive, installing Ubuntu and moving them back I encountered an unpleasing appearance. All of my ...
pironc's user avatar
  • 1
3 votes
1 answer
1k views

How to set to Black background

Ver: Ubuntu 21.04 In order to change the color scheme, I have set as follows in my .bashrc; export PS1='${debian_chroot:+($debian_chroot)}\[\033[01;96;40m\]\w\[\033[00m\]\$ ' setterm -term linux -back ...
Mohan's user avatar
  • 61
1 vote
0 answers
87 views

Horizontally striped colors on ultra wide monitor

I run Ubuntu 20.04.3 LTS on a Lenovo T550 with an Intel 5500 graphics chip. I got a new Philips 345E2AE ultra wide monitor, that is connected via this cable. My problem is that some colors look like ...
pogopaule's user avatar
  • 111
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
1 vote
1 answer
112 views

All my checkboxes are now red

I have this strange problem in that all application checkboxes have turned red color. Below is an example the Ubuntu Software dialog: This started a week or so ago, so may be related to a recent ...
Decaffeinated Tea's user avatar
0 votes
2 answers
2k views

Accidently make ls colors (folders, files, links...) to white

I accidentally delete/change LS colors when listing directories with the 'ls' command, so I tried the command "ls --color=auto" it works temporarily because when I reboot my terminal ls ...
Moez Ben Rebah's user avatar
4 votes
1 answer
1k views

How to change the color of the scrollbar and slider in Kubuntu 20.4 systemwide

I want to change the colors of my scrollbar and slider systemwide. I already changed the width to my liking, but have no such luck with the colors. Looked around on this forum and searched for widgets,...
Joepie Es's user avatar
  • 1,460
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
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
0 votes
1 answer
4k views

Gsd-color disable

Is it possible to disable the gsd-colorprocess please ? this process keeps resetting my brightness with xrandr and i want to disable it on startup tried this : -- How-to -- The GNOME Settings Daemon'...
Cybermade's user avatar
3 votes
4 answers
5k views

Color picker doesn't work

Gpick (0.2.6) is not working anymore on my computer (Ubuntu 20.04.3 LTS). When I click on "Pick color", I do not see the display around my mouse in the small box where it should be magnified....
TVG's user avatar
  • 327
4 votes
3 answers
2k views

How to change xrandr brightness without losing gamma settings?

KDE's Night Color feature I guess uses xrandr's gamma functionality, but I was hoping to adjust the brightness of my display using it. Unfortunately, doing so like this loses the "night color&...
Slbox's user avatar
  • 182
0 votes
1 answer
340 views

Chromium background suddenly black - fonts low contrast and unreadable

Turned off my Ubuntu 20.04.2 LTS box with Chromium Version 92.0.4515.107 and went on vacation. When I return, the Chromium background is very dark grey, and many fonts are difficult to read as they ...
Invention1's user avatar
1 vote
0 answers
335 views

Can't change scrollbar color in a GTK3 theme without messing with it

I use GoldBars as my GTK3 theme. Differently from the screenshots, at least for Firefox 89, the vanilla, gray scrollbar is displayed, although other elements of the theme are clearly in effect. I ...
LoremIpsum's user avatar
0 votes
0 answers
475 views

Libreoffice writer incorrectly applying dark mode

I don't know if you are going to understand me. I put the font color in options -> application colors in white and page color to gray (to make a dark theme), but when I try to color the table ...
Andres Pasquel's user avatar
0 votes
0 answers
860 views

How to fix vim color scheme in other terminals?

I'm not using Ubuntu, but I feel like this question will be relevant in any other distribution. So the problem I'm dealing with right now is I don't like gnome-terminal. I've tried alacritty, konsole, ...
b3fore's user avatar
  • 1
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
0 votes
2 answers
1k views

Is there any pdf reader or editor (free) to highlight in MANY colors? (Not in only one yellow color)

I'm using Document Viewer, and I can not highlight texts in multiple colors. On Adobe Acrobat Reader I used to highlight texts in many colors, but now I've changed my OS to UBUNTU, so I need the ...
uyivzola's user avatar
  • 355
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
0 votes
1 answer
93 views

LibreOffice background colors

Using Ubuntu 20.4LTS and changed the background color for a power point presentation and now all my office word documents and other saved files that were a white background to the page all are the new ...
Gary's user avatar
  • 27
1 vote
0 answers
49 views

How to include a default color scheme in a snap wrapper virtual container?

This snap wrapper for qtiplot works correctly with Breeze Light color scheme but it does not work properly with Breeze Dark (kde plasma 5.21.4): titles not appearing equations are not visible on ...
Fabricio Fernández's user avatar
1 vote
0 answers
149 views

20.04 does not change windows colors after upgrade

I can't change window color under appearance option control panel, the 3 options are difficult to select, and if selected, does not have any effect on appearance. I just upgraded from 18.04
Matías Fernández's user avatar
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
1 vote
0 answers
101 views

How do I set the desktop background to a single color, instead of an image? [duplicate]

How can I get a monochrome desktop background? The context menu on the desktop background contains "Change background..." accessing the Settings section "Background". I can select ...
Volker Siegel's user avatar
0 votes
1 answer
21 views

18.04 LTS Colors help: want to keep desktop scheme without making interfaces unusable

Example below from Gimp, but it's not the only one. I like the overall color scheme I'm using in KDE, but several applications are almost unusable, whether it's black text in a black textbox or light ...
Bill in Kansas City's user avatar
0 votes
1 answer
100 views

Bash/shell make second column red

I have function in my ~/.bashrc I recently upgraded: dircat() { if [[ $# -eq 0 ]] ; then echo "Directory tree required, eg: dircat /sys/class/drm/*/status" echo " ...
WinEunuuchs2Unix's user avatar
1 vote
1 answer
408 views

Regolith - i3-wm - Background color of some text and some text colors messed up

I got Regolith-Ubuntu and I'm pretty satisfied so far. I could solve most of the issues, with the wide support including this site here. I wasn't sure, if this issue is right here or might be better ...
MaestroGlanz's user avatar
1 vote
1 answer
603 views

Wrong colors on Firefox and Ubuntu 20.10

I installed Ubuntu 20.10 recently and only now noticed that colors are off but only in some places. If I take a screenshot and open it, it displays correctly but on Firefox, it doesn't. I applied the ...
Miguel Madureira's user avatar
3 votes
1 answer
267 views

Change colors in GRUB2 [duplicate]

I have a dualboot setup,but I cannot see how to change some color. I keep getting the black and grey stuff. If I change some line in the grub.cfg file and when I do update-grub it reverts back to ...
Richard's user avatar
  • 133
1 vote
0 answers
276 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
2
3 4 5
13