Questions tagged [contrast]

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Ubuntu 20.04 universal accisbility issues

I just installed Ubuntu 20.04 and tho it cost me a lot of human power, i had success! Im visually impared, therefor i need to know if: Is there a keyboard shortcut to enable/disable negative colors? ...
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19 views

Screens are just too white

I am running Ubuntu 18.04.2 and have been doing so for a while. I have a laptop and a connected monitor. My problem is that when I am sent work by the design team I cannot see very faint colours. I ...
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107 views

Screen changes contrast automatically

I just got this Dell 2408WFP and it looks like it keeps changing contrast when something dark or light is on the display. I have seen This post about a "Dynamic Contrast" but it not mentioned in the ...
3
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0answers
84 views

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 ...
2
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1answer
298 views

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 ...
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0answers
389 views

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 ...
3
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1answer
569 views

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 ...
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0answers
23 views

Alternative accessibility software for Ubuntu? (Not Vinux) [duplicate]

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 ...
13
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3answers
8k views

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
2
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0answers
1k views

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 ...
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0answers
171 views

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 ...