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Questions tagged [color-management]

The tag has no usage guidance.

0
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0answers
17 views

How to manually adjust gamma, and rgb balance in Wayland

I see gnome settings allows me to load ICC color profiles per screen and has a button to calibrate (from what I've read, using a calibration tool). In Windows, I was able to manually mess with the ...
0
votes
1answer
125 views

“Error during CMS conversion: Could not open scanner ICM profile”

I'm using xsane to scan images with my Brother MFC-L2710DW multifunction. Scanning works fine, but - I repeatedly get an error message saying: Error during CMS conversion: Ccould not open scanner ...
0
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1answer
21 views

Display colours look dry and less vibrant with default applications.

My display looks very drab and less vibrant when images are viewed with the default applications (Image Viewer, in this case). And even in Chrome (which is also my default browser), the colours look ...
0
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1answer
205 views

How to create a KDE Plasma color scheme for titlebar colors only?

I wish to use KDE Plasma's ability to set titlebar colors using window-specific rules. I know how to accomplish that in general. However, since I am setting only titlebar color options, I would like ...
1
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1answer
772 views

How can I change the text color in gnome top bar?

I want to change the text color of notification from green to black for example. I'm using Xenlism Minimalism, that is the great shell for me, but the only issue is that the text color is light green ...
2
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0answers
253 views

Changing GRUB_COLOR_NORMAL has no effect

I decommented and edited the two lines in /etc/default/grub which are relative to the colors, as follows GRUB_COLOR_NORMAL="green/black" GRUB_COLOR_HIGHLIGHT="light-green/green" then I've run sudo ...
2
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1answer
1k views

Check if terminal supports 24-bit / true color

In a shell script, how can I test whether or not the terminal supports 24-bit or true color? Related: This question is about printing a 24-bit / truecolor test pattern for eyeball verification
2
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0answers
166 views

Does color schemas interferes by settings from iterm2, oh-my-zsh and vim?

There are so many color schemes for terminal environment, themes for shell and color coding schema for vim, I wonder what's the relation between them and does they interfere each other? For example, ...
0
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1answer
2k views

How to manage the white balance in webcam

On Linux my webcam works fine, but when using artificial lighting the white-balance is too reddish. Color look fine with natural illumination. Is there a way to calibrate the colors or have some form ...
1
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0answers
560 views

Add a ICC profile for a printer

I have a Canon printer, using the Linux's stock printer drivers. I noticed that I can select a media type in the printer's properties, under Printer Options. This will apparently choose a ICC color ...
4
votes
1answer
2k views

How to change saturation on Intel GPU

I'm familiar with redshift How can I simply adjust monitor color temperture in X? I'd like to change color saturation to somehow "fix" poor quality of HD display which has definitely lower color ...
2
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2answers
1k views

What are GNU/Linux tools for checking PDF documents before publishing?

I have to send PDF documents to a professional printing company. The company feeds back with comments about how some text should be overprinted, some logo has been incorporated in RGB instead of CMYK,...
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0answers
59 views

Configure XDEC X server for running application in true color on remote X client

I have a DEC Unix v4.0, I want to run application remotely from my Unix, but when i do that, get this error: X Error of failed request: BadMatch (invalid parameter attributes) Major opcode of ...
2
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2answers
1k views

How can I run Linux in 256 color

I want to run a Linux distribution in 256 color. Doesn't matter which distribution can do it. I tested Ubuntu 14.04, but it can't run lower than 16 bit. (using /etc/X11/xorg.conf) Which ...
3
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1answer
958 views

Get current screen brightness level

The brightness keys on my laptop work ok, and gnome shell displays a level bar when changing it. But the level bar doesn't display any values (absolute nor relative). How can I retrieve the current ...
2
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0answers
44 views

Render everything in two colours

Is it possible to recolour everything on the screen, every application, web pages, menus, everything, in two colours (with intermediate shades, i.e. monochromatic)? Some document viewers support this....
1
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1answer
1k views

Customize Git Bash Color

I used to have a black / orange / green git bash color style. Now I needed to download it again and it's a mess (for me). All pink, lime green and yellow. It hurts my eyes. Is there a way to ...
3
votes
3answers
780 views

Colorize filenames based on status for git diff --name-status

I often use git diff --name-status BRANCH_NAME to get the list of modified files. Is it possible to colorize the output of that command similar to the output of git status - green for added files, ...
1
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2answers
1k views

In Linux I have different color for the same thing than in Windows

The colors in Windows are much less saturated. Why is that? The fonts are much more crisper. I have installed msfonts in Ubuntu and it's better, but still the Windows fonts are different. Check the ...
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2answers
912 views

Apply Colors to Terminal Output to highlight URL & Others

I am looking for a way to apply colors to highlight URLs (http://....) and IP @ in the output of a terminal command. Example would be with a wget command for example where I would like to be able to ...
1
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0answers
195 views

Color profile change seems to have no effect

I'm using a machine with both, Windows (10) and Linux Mint + Unity installed. Colors on Linux look quite strange and poorly calibrated, but everything looks fine on Windows. I was assuming that my ...
1
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0answers
2k views

Changing the background color of the window title in GTK3

I would like the title of the active window to be white on blue (to clarify: somewhat like Microsoft Windows XP). Here is my ~/.config/gtk-3.0/gtk.css: .titlebar .title { color: #000066; } .header-...
0
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1answer
732 views

Location of colorscheme-files in Kate

In Kate one can export file Fortran.katehlcolor which store the information about color in syntax-highlighting. The syntax-highlighting files itself are located in ~/.kde/share/apps/katepart/syntax ...
4
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2answers
219 views

Customizing less colors

When using less in OS X, how can I customize the colors with with things are displayed? When I run less within an ansi-term in Emacs the colors don't come out nicely. $ less --version less 418 ...
2
votes
1answer
1k views

convert display to monochrome

My Asus netbook has Debian Wheezy. I came across a weird idea. How would it look if my display screen is monochrome. Is it possible to configure X11 to make the display monochrome?
3
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0answers
235 views

Invert *only brightness* for monitor

When using notebook in darkness it is more convenient to have the screen mostly black, compared to the default mostly white. The issue of inverting colors was discussed here frequently. One have a ...
15
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4answers
29k views

How to convert a color pdf to black-white?

I'd like to transform a pdf with some coloured text and images in another pdf with only black&white, in order to reduce its dimensions. Moreover, I would like to keep the text as text, without ...
12
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2answers
1k views

Can I color-calibrate a Dell U2413 wide-gamut monitor under Linux?

If I get a Dell U2413 wide-gamut monitor to use with Fedora for photography, will I be able to use it properly? I've got a ColorHug, and I see that there's a U2410 ccmx profile; will that get me in a ...
209
votes
9answers
219k views

Better colors so comments aren't dark blue in Vim?

Mostly I edit Ruby files, although shell script file comments are also # Currently my comments show as dark blue on black which is really hard to read. See screenshot. How can I change their color? ...
4
votes
1answer
4k views

gnome-terminal overrides Vim color setting

I'm in gnome-terminal on Linux Mint 13. (Mate) Whatever color scheme I set for the terminal overrides the color scheme i have set for Vim. How can i stop that from happening? I have read this: http:...
1
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0answers
3k views

Changing color depth in linux mint

How can I alter color depth settings in Linux Mint 13 maya? I tried to find the xorg.conf in /etc/X11/ But I could not find the file.
1
vote
1answer
517 views

How to set default printer settings without driver

I am not at all an expert Linux user, but I do network and applications support for an office technology company. One of our clients is a pharmacy which prints prescription labels through software ...
4
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1answer
2k views

How can I generate CMYK images via the command line under Linux?

I have an application I have developed which is generating RGB PNG images with text on them via imageMagic, like so: convert -size 1000x1000 -density 300 xc:white -pointsize 24 \ -fill "rgb(0,0,0)" ...