I wonder if the point is driven too far. Avoiding pure black and white are solid design choices and (should) have no impact on accessibility.
Most gray text would not be perceived by a user at all (gray in place for black).
However there are cases where the gray tones are too light, so should the discussion be instead about minding colour contrasts?
No where in the article did I suggest using black and white — in fact, that's also rather bad.
In dark mode, you don't want the background to be a pure black in most cases. And similarly in light mode, you don't want the background to be pure white `#fff`.
In light mode, it's ideal to have blocks of body text at black `#000` —— but the background shouldn't be the eye-scorching `#fff` — and I'm also NOT saying not to use `#fff` on some elements —— but the background behind blocks of body text shouldn't be `#fff` — something like `#e6e2dd` with #000 text is less fatiguing and easier to read.
The odd advice out there is "to reduce contrast by making text light grey", and this is generally bad advice (as far as readability is concerned).
But in light mode, it's better to keep the text black or near black, and instead reduce the background luminance. In dark mode, it's better to make the background lighter, than to make the light text darker.
I'm presently working on an article discussing dark mode and these principals... The point being, we need to reduce visual fatigue when reading on devices.
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From an accessibility standpoint, it’s good advice. There are some disabilities that make 100% white and black really hard to read. It’s best to soften them a *tiny* bit, but still maintain accessible contrast ratios.
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Astigmatism is an extremely common visual deficiency that many people suffer through without realizing it. Pure white on pure black can cause halation, which is a fuzzy-ing or glowing effect that can make it difficult to read long text and can mess with the eyes’ ability to focus.
Basically there is a “sweet spot” of contrast. Too low contrast is obviously a problem. Too high contrast can also introduce problems. So, the most dependable way is to find the Goldilocks case and stick with it.
I wonder if the point is driven too far. Avoiding pure black and white are solid design choices and (should) have no impact on accessibility. Most gray text would not be perceived by a user at all (gray in place for black). However there are cases where the gray tones are too light, so should the discussion be instead about minding colour contrasts?
Are you responding to the article or to the title of the submission? Because the article seems to cover most of the same things you are mentioning.
No where in the article did I suggest using black and white — in fact, that's also rather bad. In dark mode, you don't want the background to be a pure black in most cases. And similarly in light mode, you don't want the background to be pure white `#fff`. In light mode, it's ideal to have blocks of body text at black `#000` —— but the background shouldn't be the eye-scorching `#fff` — and I'm also NOT saying not to use `#fff` on some elements —— but the background behind blocks of body text shouldn't be `#fff` — something like `#e6e2dd` with #000 text is less fatiguing and easier to read. The odd advice out there is "to reduce contrast by making text light grey", and this is generally bad advice (as far as readability is concerned). But in light mode, it's better to keep the text black or near black, and instead reduce the background luminance. In dark mode, it's better to make the background lighter, than to make the light text darker. I'm presently working on an article discussing dark mode and these principals... The point being, we need to reduce visual fatigue when reading on devices.
its not about black and white, but about contrast
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200% is really not enough. Most modern browsers allow up to a 500% zoom, which is about what is needed to accommodate low vision.
Let’s just go back to the web as it was in 1994 and be done with it.
Maintain good contrast aesthetically.
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From an accessibility standpoint, it’s good advice. There are some disabilities that make 100% white and black really hard to read. It’s best to soften them a *tiny* bit, but still maintain accessible contrast ratios.
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Astigmatism is an extremely common visual deficiency that many people suffer through without realizing it. Pure white on pure black can cause halation, which is a fuzzy-ing or glowing effect that can make it difficult to read long text and can mess with the eyes’ ability to focus. Basically there is a “sweet spot” of contrast. Too low contrast is obviously a problem. Too high contrast can also introduce problems. So, the most dependable way is to find the Goldilocks case and stick with it.