On 09/09/2020 15:24, rhkra...@gmail.com wrote:
> On Tuesday, September 08, 2020 04:31:29 PM Michael wrote:
>> Ignoring the issue for the moment that "git" is not "github", the question
>> is, what is this "health" issue of light mode?
> +1
>
> Thank you!
>
> Your post builds on the rant I've wanted to make whenever I hear someone make
> a similar request / complaint about lack of a night mode -- I'd just like to
> add my $0.02 (or maybe $0.04):
>
> 1. For thousands of years, text has been dark (or colored) on a light
> background (at least, after cuneiform)
>
> 2. I used to work with people and use shared computers with green screens --
> every time I came to use the computer, the brightness (and contrast) would be
> turned all the way up, leading to screen burn in (and a health issue with my
> eyes)
>
>
As someone with an eye injury, I really hate the matching trend for
**washed out grey fonts** that lack contrast on a classic white screen
(I have f.lux for a bit of night time dimming of the blue component).
A clean black on white is good. I can probably cope happily with green
on black (a 24x80 green screen display is available in the loft ;-).
let's at least make sure that these schemes are properly 'accessible'
and not just some 18-25 yr old group's latest fashion statement.
(remember that fashion is transient!)
>> Proper calibration starts with "the light level of a white screen on your
>> monitor should match the light level of the walls in the background." At
>> that point, your eyes are getting as many photons/sec from the background
>> wall as from the monitor. That's the "no eyestrain" level. Or, if your
>> work is "preparing stuff for print", then your white level should match a
>> blank piece of paper -- again, about the same photons/sec as background
>> reflected light.
Reading at night is a juxtaposition of all that is 'normal', so lots of
poor compromises.
>>
>> Now, if there's a problem with systems that assume "monitors must be at max
>> brightness", and assume a fixed gamma drop-off that cannot be adjusted,
>> that's an entirely different problem. (There's a viewing-dependent
>> black-level, a viewing-dependent white level, and then you have anywhere
>> from 224 to 255 visible steps between them depending on the color space
>> standard you are using. Mapping from a image's color space to the user
>> monitor is a GUI driver's jobs (X, or apple/microsoft/google OS).
--
Philip
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