How do I turn off colours? #4

vi · 2024-11-07T18:28:53Z

How do I turn off the colours?
How to make it assume white background, not dark background on terminal.

P. S. Multiple Rust tools that use coloured terminal output seem to assume black background by default and look poor in my setup. Maybe there is a cross-app way (e.g. a environment variable) to notify all the programs that the background is white?

sectordistrict · 2024-11-07T19:50:29Z

regarding point 1, for now I think a good setup would be to introduce a cli option that turns off the colors, I will have to see how I will work this out,
I suggest this workaround for your case: pipe into sed like the following intentrace ls | sed 's/\x1B\[[0-9;]\{1,\}[A-Za-z]//g' it also works when the background is whitish

for point 2 and the rest, I agree there's a general assumption that everyone uses dark mode terminals, however I think any thing in the vicinity of "working around a light/dark mode" of sorts for a terminal application will require intentionality in design to remedy, I don't believe there's a generalizable way of working around a white background terminal, however I'm interested in making this work so I'll prioritize this (most likely this will also be a cli option)

magistau · 2024-11-08T13:19:25Z

Try running with NO_COLOR=1. Most likely the library used for coloring understands that. See https://no-color.org/.

vi · 2024-11-08T17:25:59Z

Yes, it does remove the colours.

Maybe there is another magical environment variable to map lighter colours to darker ones for light backgrounds?

magistau · 2024-11-09T16:54:52Z

Maybe there is another magical environment variable to map lighter colours to darker ones for light backgrounds?

I am not aware of any such consensus. There's NO_COLOR which explicitly disables usage of colors and CLICOLOR{,_FORCE} which control automatic detection of whether colors should be used. These three are semantically equivalent to --color={never,auto,always} some programs have.

You should consider changing your terminal color palette so that "bright" colors are actually darker, that would work for all programs using 3/4-bit colors.

chapmanjacobd · 2024-12-30T17:50:04Z

How to make it assume white background, not dark background on terminal.

I agree with this point. I definitely prefer the colorized output but for light background terminals it would be more readable if the main foreground text color was black:

It shouldn't be too difficult to detect the color of the terminal background, eg. https://github.com/dalance/termbg

alternatively, having table output might be good enough to make NO_COLOR=1 mode more easy to scan through

sectordistrict · 2024-12-31T10:14:11Z

Thanks for the crate recommendation @chapmanjacobd
for now we'll simply switch the main text color depending on what termbg detects
artifacts like file descriptors and others seem like they'll only benefit from handpicked colors, to be addressed in the future
current updates pushed to 0.4.2 (tested on ayu_light, AtomOneLight, and 1984_light)

sectordistrict added a commit that referenced this issue Dec 31, 2024

initial light mode terminal support #4

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How do I turn off colours? #4

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How do I turn off colours? #4

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