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"Silver sticker design imitates the period table of elements using W3C, A11y and AG"

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The Silver Task Force is part of the Accessibility Guidelines Working Group of the W3C. The Silver Task Force and the W3C Silver Community Group are performing the preliminary work for the successor to the Web Content Accessibility Guidelines (WCAG) 2. The guidelines will be named W3C Accessibility Guidelines (WCAG) 3.0 which reflects the anticipated broader scope beyond web content, but preserves the familiar acronym of WCAG.

The W3C Accessibility Guidelines (WCAG) 3.0 First Public Working Draft (FPWD) has been published. The is an early draft and is the first of many drafts. The document is not expected to become a W3C Recommendation for a few more years. It is not ready to be implemented yet, as we expect many changes from public feedback and continuing work.

Anyone who would like to participate should read the Welcome to Silver quick-start guide.


Silver News Archive

What is Silver?

The objective of the Silver Task Force is to perform preliminary research and development for a successor to the Web Content Accessibility Guidelines (WCAG). Code-named "Silver", these guidelines will address the process of making content and functionality accessible to people with disabilities, including the roles of content authoring, user agent support, and authoring tool support. These guidelines will provide a base for continued evolution of accessibility standards.

The Silver project now has an official name. The work will be called W3C Accessibility Guidelines (WCAG) 3.0.

Silver Task Force and Community Group is currently writing the draft for the First Public Working Draft of WCAG 3. The current work is available for reading below.

Participation in the Silver Community Group is open to the public. Interested people can join the the W3C Silver Community Group to be placed on the mailing list and join conference calls. See the Participation Options and the meeting section below for more information on participation. See Welcome to Silver for those who are starting to work on Silver.

Silver Archives

There is extensive work done in prior years that is important reference material explaining why design decisions in Silver were made. These links, including the links to the Silver Research project are here.

  • Design Plan
  • Stakeholders
  • Research Project
  • Design Sprint
  • Requirements
  • Prototypes

Silver Archives

Public Working Drafts

Current Public Working Draft of WCAG 3 and related documents


Processing Comments on WCAG 3

Evaluating the FPWD

Upcoming Publications

Publication Planning and Editor Draft Archive

Sub Groups

Silver Conformance (Active)

This is a currently active area of work.

Testing the Conformance Model

Q3 Proposals

Q1-Q2 2021 Proposals

Q2 2020 Proposals

Q1 2020 work for reference

Useful References

Conformance & Scoring Archive (2020)

Conformance & Scoring Archive (2019)

Conformance & Scoring Archive (2018)

Silver Guideline Content (Active)

Currently active section. We anticipate content writing to start in Q3 2019 and prioritize migrating existing WCAG 2.1 content throughout Q2 2020

Silver Content Writing Resources

WCAG to Silver Migration

Drafts of Other WCAG success criteria to migrate to Silver

We are migrating a few current WCAG 2.1 success criteria to Silver to test our process. See the SubGroups section above for details of active work. Other drafts of the migrated success criteria under development that do not have currently active work are:

  1. Audio Description draft from AccessU face-to-face (May 2019)
  2. Pause Stop Hide (from original plain language prototype) is also a midrange difficulty SC, but is very long - First (rough) draft ready
  3. Language of Environment - adapting 3.1.1 Language of Page - sketched out showing how Methods could be written for user agents, authoring tools, and emerging technologies.
  4. Sensory Characteristics (from original plain language prototype) is midrange difficultly SC - not started
  5. Timing (example of merging levels) - not started

Drafts of New Content Proposals from Task Forces and Prototypes

ePub Github issue thread from Publishing

from Cognitive Accessibility Task Force (COGA)

  1. Clear Language - see Clear Language Subgroup
  2. Enable APIs

from Low Vision Task Force (LVTF)

from Other Sources

Ideas for New Content for Silver

These documents are placeholders for capturing ideas that we don't want to lose. Feel free to add your thoughts.

Silver Guideline Content Archive - documents used to develop individual Silver Guidelines that are no longer current


How to Participate

Email Lists and Archives

Conference Call Information

For security reasons, we can no longer keep the conference call information in a public space. If you cannot see the page and wish to participate in the meeting please join the Silver Community Group. If there is a problem getting onto the call, email Shawn and Jeanne.

W3C default time zone is US Eastern Time. There are several weeks in the spring and fall when the US changes to daylight saving time before other parts of the world. In that case, the US Eastern Time is used as the base time zone. Check the World Clock Meeting Planner to determine the time in UTC and other timezones.

Zoom International Numbers

IRC channel


Decision Policy

Virtual Face to Face Meetings

It's hard to know what to name these meetings. They are the long hour -multi-session meetings that are the online substitute for Face to Face meetings during the pandemic.


TPAC 2021 Meeting Overview


Meeting Minutes and Reports

Meeting Minute Archive