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Re: Focus Visible (Enhanced)

From: Wilco Fiers <wilco.fiers@deque.com>
Date: Mon, 9 Dec 2019 10:46:31 +0100
Message-ID: <CAHVyjGMvapdn+jbvC+w_tYz4-fLH1ucQNNYq_GsnKd6zSL85wg@mail.gmail.com>
To: Alastair Campbell <acampbell@nomensa.com>
Cc: WCAG list <w3c-wai-gl@w3.org>
Hey Alastair,
I don't intend to hold up publication. I'll comment on the first draft
instead.

W

On Sun, Dec 8, 2019 at 2:42 PM Alastair Campbell <acampbell@nomensa.com>
wrote:

> Hi Wilco,
>
>
>
> Putting the SC-writers hat on, rather than chair’s:
>
>
>
> > 1. Buttons where a change in background color is used to indicate focus.
>
>
>
> This was one of the examples we discussed [1], and having a subtle change
> of background color is one of the bad-case scenarios we want to catch (for
> focus), it is hard to follow.
>
>
>
> So yes, you would often have to flip the foreground text color as well.
> Having done a lot of examples for discussion, that one isn’t in the
> understanding document, would it help if it were included?
>
>
>
>
>
> > 2. Buttons with a dark background, surrounded by a white background,
> using an outline to indicate focus. In this scenario the outline is
> required to have a 3:1 contrast ratio with both the dark background, as
> well as the white surroundings.
>
>
>
> There are several options there. If you want it to be outside the button
> and adjacent, then yes it is hard to meet, and hard to see!
>
>
>
> Other options discussed in the understanding doc include:
>
>    - The outline separated from the button by a pixel or more.
>    - The outline goes inside the button.
>    - The outline is thicker than 1px.
>
>
>
> The ‘Contrast and thickness’ section is dedicated to that question.
>
>
>
>
>
> > Not allowing outline (without offset) for an entire range of colors
> suggests to me this is too strict. I'm guessing this was unintentional?
>
>
>
> No, that was intentional. That type of indicator can be very hard or
> impossible to see. Even having 1px separation (for a 1px outline) is not
> ideal, but that was the compromise.
>
>
>
> Have a look through the examples [1] to see what we used to refine the
> requirement.
>
>
>
> Cheers,
>
>
>
> -Alastair
>
>
>
> 1] https://alastairc.uk/tests/wcag22-examples/focus-more-visible.html
>
> https://alastairc.uk/tests/wcag22-examples/focus-more-visible-2.html
>
> https://alastairc.uk/tests/wcag22-examples/focus-visible-enh-examples.html
>


-- 
*Wilco Fiers*
Axe for Web product owner - Co-facilitator WCAG-ACT - Chair ACT-R

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Received on Monday, 9 December 2019 09:46:45 UTC

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