- From: David MacDonald <david100@sympatico.ca>
- Date: Tue, 25 Jun 2019 13:25:24 -0400
- To: WCAG <w3c-wai-gl@w3.org>, Alastair Campbell <acampbell@nomensa.com>, Andrew Kirkpatrick <akirkpat@adobe.com>
- Message-ID: <CAAdDpDZ3vfVS62DXKykA1GeRsKra3=UFjPsi1bsz+etDCWZxcw@mail.gmail.com>
I've filed this as an issue #800, to make it easier to show the examples and have a better discussion framework. https://github.com/w3c/wcag/issues/800 Cheers, David MacDonald *Can**Adapt* *Solutions Inc.* Tel: 613-806-9005 LinkedIn <http://www.linkedin.com/in/davidmacdonald100> twitter.com/davidmacd GitHub <https://github.com/DavidMacDonald> www.Can-Adapt.com <http://www.can-adapt.com/> * Adapting the web to all users* * Including those with disabilities* If you are not the intended recipient, please review our privacy policy <http://www.davidmacd.com/disclaimer.html> On Tue, Jun 25, 2019 at 12:38 PM David MacDonald <david100@sympatico.ca> wrote: > On the call "Example 3" on this page was presented as a pass of 1.4.11. > https://alastairc.uk/tests/wcag21-examples/ntc-focus-styles.html > > It confused me and I want to check my assumptions with others on our > current interpretation of 1.4.11. I would like to get others opinion on two > scenarios. Do these pass of fail? > > 1) a button has a background but it is less than 3:1 contrast (no > border). The button text is 4.5:1 on the button background as per 1.4.3. > 2) a button has a visible border and background but both are less than 3:1 > contrast against the page color. The button text is 4.5:1 on the button > background as per 1.4.3 > > The text of the SC is this: > Visual information required to identify user interface > components and states ... [has 3:1 contrast] > > Is the text "Example 3" enough to know that this is a user interface > component without perceiving the grey background. > If Example #3 had a border less than 3:1 would it pass 1.4.11 > > My feeling is that the words "Example 3" is not enough to know that this > is an interactive control. If an author is creating a background for a > button to indicate it is a button, doesn't that background need to meet > 3:1? > > And if an author puts a border around a button, doesn't that border need > to meet 3:1? > > Whatever our consensus on what is necessary to know a button is an > interactive control, I'd like to make it explicit in the understanding for > 1.4.11. > > My interpretation is that if there is no background and border, then low > vision people have no disadvantage but if there is a visible border or > background then the SC kicks in and there needs to be sufficient contrast > in the button or border. What do others think? > > Cheers, > David MacDonald > > > > *Can**Adapt* *Solutions Inc.* > > Tel: 613-806-9005 > > LinkedIn > <http://www.linkedin.com/in/davidmacdonald100> > > twitter.com/davidmacd > > GitHub <https://github.com/DavidMacDonald> > > www.Can-Adapt.com <http://www.can-adapt.com/> > > > > * Adapting the web to all users* > * Including those with disabilities* > > If you are not the intended recipient, please review our privacy policy > <http://www.davidmacd.com/disclaimer.html> >
Received on Tuesday, 25 June 2019 17:25:59 UTC