Questions related to colour management of the machines display, etc.
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Setting the display gamma curve with nouveau driver
The colours on my monitor are washed out, from being too bright. Previously, I was running nvidia proprietary drivers, and I could adjust that with the xgamma tool. After switching to Nouveau, I can ... display nouveau color-management- 1,033
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 ... lubuntu google-chrome vlc colors color-management- 3
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 ... command-line ls text color-management csh- 1
Scanner calibration on Ubuntu 21.10
I've followed the instructions here, but when I click Calibrate... nothing happens. Any thoughts on what I am doing wrong? Ubuntu 21.10 Canon LiDE 400 scanner scanner 21.10 color-management gnome-color-manager- 304
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 ... bash color-management- 35
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 ... accessibility color-management- 766
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 ... mate accessibility color-management- 1,128
Set gamma correction curve (not only the exponent of a power law)
xgamma and kgamma allows one to alter the gamma correction curve by changing the exponent of a power-law expression original image: Some programs and video cards allows one to alter this curve with ... kde intel-graphics color-management gamma- 299
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 --... colors color-management 21.10 monitor-calibration- 11
Color management fail on Ubuntu 21.10
After upgrade to 21.10, color management seems disabled throughout the system. On a wide-gamut monitor, the colors look garish. It's as if the OS's color daemon doesn't load my monitor profile, even ... color-management 21.10- 53
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 ... xorg wayland color-management- 123
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 ... display apple color-management- 207
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? (... color-management- 121
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 ... graphics intel-graphics colors color-management- 128
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 ... gnome gdm i3-wm color-management- 11
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