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M3 Expressive: Colors #184951

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flutter/packages
#12743
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M3 Expressive: Colors#184951
flutter/packages
#12743
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QuncCccccc
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P2Important issues not at the top of the work listc: proposalA detailed proposal for a change to Flutterf: themingStyling widgets with a themep: material_uimaterial_ui package in flutter/packagesteam-designOwned by Design Languages teamtriaged-designTriaged by Design Languages team

Description

@QuncCccccc
QuncCccccc
opened on Apr 13, 2026

The color role scheme in M3E stay the same but they now support 3-level contrasts. Some roles have small updates. Contrasts also are tokenized.

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Proposal

We should investigate updating the existing color system to support the changes. The ColorScheme update is not only for M3E but also for M3.

Activity

  1. QuncCccccc
    added this to Bring Material 3 Expressive to Flutteron Apr 13, 2026
  2. QuncCccccc
    moved this to Backlog in Bring Material 3 Expressive to Flutteron Apr 13, 2026
  3. saurabh-mirajkar
    added
    in triagePresently being triaged by the triage team
    on Apr 13, 2026

  4. saurabh-mirajkar commented on Apr 13, 2026

    @saurabh-mirajkar
    saurabh-mirajkar
    on Apr 13, 2026
    Contributor

    @QuncCccccc Thanks for the proposal. Labelling for team-design to investigate further.

  5. saurabh-mirajkar
    added
    p: material_uimaterial_ui package in flutter/packages
    c: proposalA detailed proposal for a change to Flutter
    team-designOwned by Design Languages team
    f: themingStyling widgets with a theme
    and removed
    in triagePresently being triaged by the triage team
    on Apr 13, 2026
  6. dkwingsmt
    added
    P2Important issues not at the top of the work list
    triaged-designTriaged by Design Languages team
    on Apr 15, 2026
  7. QuncCccccc
    self-assigned this
    on May 22, 2026
  8. QuncCccccc
    moved this from Backlog to In progress in Bring Material 3 Expressive to Flutteron Sep 2, 2026
  9. auto-submit
    closed this as completedin packages#12743on Sep 22, 2026
  10. auto-submit
    added a commit that references this issue on Sep 22, 2026

    [material_ui] Add contrastLevel for M3 ColorScheme (#12743)

    0dfacae
  11. github-project-automation
    moved this from In progress to Done in Bring Material 3 Expressive to Flutteron Sep 22, 2026
  12. vashworth
    added a commit that references this issue on Sep 24, 2026

    [material_ui] Add contrastLevel for M3 ColorScheme (flutter#12743)

    94b8278

  13. github-actions commented on Oct 6, 2026

    @github-actions
    github-actionsBot
    on Oct 6, 2026 – with GitHub Actions

    This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.

  14. github-actions
    locked as resolved and limited conversation to collaborators on Oct 6, 2026
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P2Important issues not at the top of the work listc: proposalA detailed proposal for a change to Flutterf: themingStyling widgets with a themep: material_uimaterial_ui package in flutter/packagesteam-designOwned by Design Languages teamtriaged-designTriaged by Design Languages team

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