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Questions tagged [contrast]

13 questions
17
votes
2 answers

How to make active window visually stand out more in Ubuntu 18.04 Gnome 3

I would like to tweak my system so that the window under focus stands out more. The contrast in the title bar between active and inactive windows is quite hard to see. I hit this issue the most when I have a lot of terminals open across many 30"…
rmin
  • 343
13
votes
3 answers

xcalib error - unsupported ramp size

I'm trying to change the contrast with xcalib with the command xcalib -co 70 but I get the following error: Error - unsupported ramp size 0
tomasantunes
  • 244
6
votes
1 answer

Is it possible to disable redshift on just one screen from a multi monitor setup?

I've got an e-ink display and would like to disable redshift on just this screen, but keep it enabled on the other two monitors. How do I setup this? Is it possible to increase contrast as well? (The Chrome high contrast extension is good for the…
jeff
  • 309
3
votes
0 answers

Increase screen contrast in Xubuntu

I've recently installed Xubuntu 18.04 on an old refurbished ThinkPad X250. It's working well, though one thing that would help usability a lot would be if I can increase the screen contrast. The blacks aren't especially dark, and the whites aren't…
btd
  • 131
3
votes
1 answer

High Contrast Firefox Ubuntu

I have sensitive eyes and need to be able to invert dark text on a white background in Firefox Ubuntu. So far I can't find a straightforward way to do this, and Firefox doesn't register the Ubuntu high contrast theme. Any thoughts?
Yu Buntu
  • 137
2
votes
0 answers

How to control the RGB components for gamma+brightness+contrast from command line?

I saw this on nVidia application. We can control, for each component of RGB, these 3 values: gamma, brightness and contrast (below showing only for Red component): So, I want to know if we can access these 3 controls for each component from the…
Aquarius Power
  • 4,149
1
vote
0 answers

How to Start Gimp .png with Brightness/Contrast controllers?

Situation: start Gimp .png with brightness/contrast options as one-liner in terminal Motivation: have a plane of brightness-contrast where you can control them on x-axis and y-axis; synonym non-linear plane of brightness-contrast, ... (see here for…
Léo Léopold Hertz 준영
  • 4,767
1
vote
0 answers

How to configure Dark Reader so that ThunderBird panes are dark?

I'm looking to configure Thunderbird so that all three panes are dark, as: However, after downloading and adding the Dark Reader plugin I get only a single pane dark. The list of messages is unchanged and still with black writing on a white…
Nicholas Saunders
  • 1,484
0
votes
0 answers

Alternative accessibility software for Ubuntu? (Not Vinux)

I know it exists a distro like Vinux, but if I have to do a course where Ubuntu is used I see myself limited by my sight issues. I find accessibility options quite limited, the high contrast does not work for me since it's white high contrast and I…
Lorthas
  • 101
0
votes
0 answers

What software is available to dim the screen brightness and contrast?

Is there any software for Ubuntu 22.04 to dim the screen with control over hue, gamma, saturation, brigthness and contrast? I work in this desktop environment 10 hours a day so I need a low level of light to be comfortable reading the screen. I want…
jospert
  • 11
0
votes
1 answer

gamma adjustment is not working on ubuntu 21.04

I'm using dell with intel graphics I tried xgamma and xrandr for adjusting gamma values but both of them not working in 21.04, they are executing successfully but rgb value remains the same, it used to work fine in groovy. Is it happening cuz of the…
Pawan Patidar
  • 1
  • 1
0
votes
0 answers

High Contrast ON changes icon themes!! How can we avoid this from happening in Ubuntu 20.04 LTS?

By doing high contrast to ON, it is changing icon theme automatically. The changed theme does not look good. Is there a way we can avoid this from happening? And more surprisingly, when I turn it off, it changes icon them to yet another style which…
user1166730
0
votes
2 answers

How to Permanently adjust Screen contrast Ubuntu 18.04

I use xgamma -gamma 0.7 but when I restart the computer I need to write that command again. from this question link
Tom Tom
  • 141