- From: Jim Allan <jimallan@tsbvi.edu>
- Date: Tue, 20 Jun 2017 15:35:54 -0500
- To: Joshue O Connor <josh@interaccess.ie>
- Cc: WCAG <w3c-wai-gl@w3.org>
- Message-ID: <CA+=z1WnDveKzYU2teVEtEu-rkOuCzgsSef_FAa9YsX1q+nH_tA@mail.gmail.com>
+1 On Tue, Jun 20, 2017 at 1:52 PM, Joshue O Connor <josh@interaccess.ie> wrote: > Hi all, > > I placed older SC text into the CFC - The current SC text for this one is: > [1] > > Essential > <https://rawgit.com/w3c/wcag21/user-interface-component-contrast-minimum_ISSUE-10/guidelines/index.html#dfn-essential> > visual identifiers of user interface components > <https://rawgit.com/w3c/wcag21/user-interface-component-contrast-minimum_ISSUE-10/guidelines/index.html#dfn-user-interface-component> > have a contrast ratio > <https://rawgit.com/w3c/wcag21/user-interface-component-contrast-minimum_ISSUE-10/guidelines/index.html#dfn-contrast-ratio> > of at least 4.5:1 against the immediate surrounding color(s), except for > the following situations: > > - *Thicker:* A contrast ratio > <https://rawgit.com/w3c/wcag21/user-interface-component-contrast-minimum_ISSUE-10/guidelines/index.html#dfn-contrast-ratio> > of at least 3:1 is required where the minimum width and height are at > least 3 CSS pixels > <https://rawgit.com/w3c/wcag21/user-interface-component-contrast-minimum_ISSUE-10/guidelines/index.html#dfn-css-pixel>, > for the essential > <https://rawgit.com/w3c/wcag21/user-interface-component-contrast-minimum_ISSUE-10/guidelines/index.html#dfn-essential> > visual identifier. > - *Inactive:* Disabled or otherwise inactive user interface components > <https://rawgit.com/w3c/wcag21/user-interface-component-contrast-minimum_ISSUE-10/guidelines/index.html#dfn-user-interface-component> > - *User agent control:* The color(s) of the user interface component > and any adjacent color(s) are determined by the user agent and are not > modified by the author. > > Notes§ > <https://rawgit.com/w3c/wcag21/user-interface-component-contrast-minimum_ISSUE-10/guidelines/index.html#user-interface-component-contrast-minimum> > > - Examples of essential > <https://rawgit.com/w3c/wcag21/user-interface-component-contrast-minimum_ISSUE-10/guidelines/index.html#dfn-essential> > visual indicators of user interface components > <https://rawgit.com/w3c/wcag21/user-interface-component-contrast-minimum_ISSUE-10/guidelines/index.html#dfn-user-interface-component> > may include (a border, edge, or icon), current value (such as > non-text visual indication of aria-valuenow on a slider) and current state > (such as selection indicator, focus indicator) or other essential visual > indication (which do not rely on color alone). > - Under consideration: simplify this Success Criterion by setting the > minimum color contrast requirement to 3:1 and removing any need for > measuring thickness. > - Under consideration: will review to see if it is possible to combine > with proposed WCAG 2.1 SC 1.4.11 Graphics Contrast. > > > Thanks > > Josh > > [1] https://rawgit.com/w3c/wcag21/user-interface-component- > contrast-minimum_ISSUE-10/guidelines/index.html#user- > interface-component-contrast-minimum > > > > > Joshue O Connor wrote: > > Call For Consensus — ends Friday June 23rd at 1:00pm Boston time. > > The Working Group has reviewed and approved a Success Criterion for > inclusion in the Editor’s Draft: "User Interface Component Contrast > (Minimum)" with the goal of obtaining additional input external to the > working group. > > SC TEXT: > > User Interface Component Contrast (Minimum)*:* > > Essential visual identifiers of user interface components have a contrast > ratio of at least 4.5:1 against the immediate surrounding color(s), except > for the following situations: > > 1. *Thicker:* A contrast ratio of at least 3:1 is required where the > minimum width and height are at least 3 CSS pixels, for the essential > visual identifier. > 2. *Inactive:* Disabled or otherwise inactive user interface > components are exempt from this requirement. > 3. *User agent control:* The color(s) of the user interface component > and any adjacent color(s) are determined by the user agent and are not > modified by the author. > > Survey results: > https://www.w3.org/2002/09/wbs/35422/March14SCReviews/results#xq9 > GIT Hub: https://github.com/w3c/wcag21/issues/10 > > The new SC can be reviewed here, in the context of the full draft: > > https://rawgit.com/w3c/wcag21/user-interface-component- > contrast-minimum_ISSUE-10/guidelines/index.html#user- > interface-component-contrast-minimum > > If you have concerns about this proposed consensus position that have not > been discussed already and feel that those concerns result in you “not > being able to live with” this decision, please let the group know before > the CfC deadline. > > Thanks > -- > Joshue O Connor > Director | InterAccess.ie > > > -- > Joshue O Connor > Director | InterAccess.ie > -- Jim Allan, Accessibility Coordinator Texas School for the Blind and Visually Impaired 1100 W. 45th St., Austin, Texas 78756 voice 512.206.9315 fax: 512.206.9264 http://www.tsbvi.edu/ "We shape our tools and thereafter our tools shape us." McLuhan, 1964
Received on Tuesday, 20 June 2017 20:36:28 UTC