- From: Wayne Dick <wayneedick@gmail.com>
- Date: Tue, 8 Nov 2016 22:16:15 -0800
- To: "Chakravarthula, Srinivasu" <srchakravarthula@informatica.com>
- Cc: Jonathan Avila <jon.avila@ssbbartgroup.com>, WCAG <w3c-wai-gl@w3.org>
Style observation I don't know what mode I'm in but my text seems to be going out in couplets. Oh well call me Shakespeare. Wayne On Tue, Nov 8, 2016 at 10:13 PM, Wayne Dick <wayneedick@gmail.com> wrote: > Finding focus and seeing radio buttons and check boxes is a perennial > problem for reading websites with low vision. Radio buttons and check > boxes are the worst because they are impervious to CSS. > > The standard focus ring given by user agent is usually a dotted line. > Maybe each dot has sufficient, but run together with the white between > the dots the overall effect is almost impossible to detect. > > There is one thing that everyone with low vision shares. We cannot > find stuff. The mechanism is different for each medical condition, but > the overall result is we can't find stuff. > > Whatever we decide, key is that it has to be dramatic enough to to > catch our attention. It has to rise above the noise of the page. > > I think this is where the ability to customize is very important. What > is noise to me is not noise to Jon. What catches Jon's or Vasu's eye > may not catch mine. But the thing we agree on is we cannot find > critical information. > > Thanks for bringing it up. > > Wayne > > On Tue, Nov 8, 2016 at 8:59 PM, Chakravarthula, Srinivasu > <srchakravarthula@informatica.com> wrote: >> Jon, >> >> You have made a good point about background color vs a ring. I personally >> like background colors too; but there are a couple of challenges with it: >> >> 1. It causes disturbing to some section of low vision people where >> color gets changed suddenly (I see some developers make it as animation sort >> of and that causes a problem); so there needs to be a smooth transition. >> >> 2. We may get objection from visual designers about background colors >> (while it should not be really a problem to them); but their argument could >> be something like “oh, I don’t like to have a background color for an >> element in between the content”… >> >> >> >> Thanks >> >> >> >> Best regards, >> >> -Vasu >> >> -- >> >> Srinivasu Chakravarthula >> >> Lead Accessibility Consultant >> >> Informatica Business Solutions Pvt Ltd., >> >> Work: +91-80-4020-3760 | Cell: +91 99008 10881 >> >> Website | Accessibility Blog | LinkedIn | Twitter >> >> >> >> From: Jonathan Avila [mailto:jon.avila@ssbbartgroup.com] >> Sent: Wednesday, November 09, 2016 1:19 AM >> To: WCAG <w3c-wai-gl@w3.org> >> Subject: RE: Colour Luminosity/Contrast for form inputs/controls/components >> >> >> >> Ø I agree, often we use changes in background colours which are far more >> obvious. >> >> >> >> I agree my suggestion is only a technique and is not the only way to solve >> the issue. >> >> >> >> However, I’d like to challenge this notion that background colors are better >> than a focus ring. The challenge with borders and backgrounds is that many >> elements have them already and the user is left guessing which background >> color is normal and which one indicates the focused state. I’ve seen thick >> borders used on non-focused buttons as well – they look like focused buttons >> – but they aren’t. You don’t know where the keyboard focus is under you >> start moving it around to try and figure out what is changing. If the >> background only changes to indicate the focus element even if it has >> sufficient contrast with the text what if that background doesn’t have >> sufficient contrast between the normal background color of other controls. >> Then you are relying on insufficient contrast between focused and >> non-focused elements to indicate which one is focused. Relying simply on >> contrast other than something more pronounced is an issue. >> >> >> >> Jonathan >> >> >> >> Jonathan Avila >> >> Chief Accessibility Officer >> >> SSB BART Group >> >> jon.avila@ssbbartgroup.com >> >> 703.637.8957 (Office) >> >> >> >> Visit us online: Website | Twitter | Facebook | Linkedin | Blog >> >> Join SSB at Accessing Higher Ground This Month! >> >> >> >> The information contained in this transmission may be attorney privileged >> and/or confidential information intended for the use of the individual or >> entity named above. If the reader of this message is not the intended >> recipient, you are hereby notified that any use, dissemination, distribution >> or copying of this communication is strictly prohibited. >> >> >> >> From: Alastair Campbell [mailto:acampbell@nomensa.com] >> Sent: Monday, November 07, 2016 11:32 AM >> To: WCAG >> Subject: Re: Colour Luminosity/Contrast for form inputs/controls/components >> >> >> >>> As a Technique, this may very well address the problem statement, however >>> we must be careful not to be overly prescriptive of our expectations - we >>> cannot for example 'mandate' this as a Success Criteria going forward. >> >> >> >> I agree, often we use changes in background colours which are far more >> obvious. >> >> >> >> It might be a good SC for a future set of guidelines that include >> user-agents though ;-) >> >> >> >> -Alastair >> >> >> >>
Received on Wednesday, 9 November 2016 06:17:28 UTC