LGTM1; thanks for bringing us into conformance with the spec in a way that solves a real problem for devleopers.
On Friday, October 23, 2026 at 10:23:52 AM UTC-7 [email protected] wrote: > *Contact emails* > [email protected] > > *Specification* > https://www.w3.org/TR/css-color-4/#css-system-colors > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.w3.org%2FTR%2Fcss-color-4%2F%23css-system-colors&data=05%7C02%7Cakyereboah%40microsoft.com%7C4e8179bfc54e4c5f71ce08df29770355%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C639275263355947969%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=bn%2BZS%2FTPPurMIPKv%2FVMTsLP2bdHKrG9T6%2BcY5ReRXpY%3D&reserved=0> > > *Summary* > `AccentColor` and `AccentColorText` reflect the element's effective > `accent-color` value instead of only platform-provided system accent > colors. This allows CSS to reference the same colors used by `accent-color` > styling, making it easier to keep custom styling consistent with form > controls and other accented UI. It aligns Chromium's behavior with the CSS > Color Module Level 4 specification. > > *Blink component* > Blink>CSS > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fissues.chromium.org%2Fissues%3Fq%3Dcustomfield1222907%3A%2522Blink%253ECSS%2522&data=05%7C02%7Cakyereboah%40microsoft.com%7C4e8179bfc54e4c5f71ce08df29770355%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C639275263355961615%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=%2FrOBhNA%2FtkSP%2F4hyYzb8PGvHOogw2%2B8dPMdUb8ZjmPM%3D&reserved=0> > > *Web Feature ID* > accentcolor > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwebstatus.dev%2Ffeatures%2Faccentcolor&data=05%7C02%7Cakyereboah%40microsoft.com%7C4e8179bfc54e4c5f71ce08df29770355%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C639275263355977495%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=p%2FkBdXHRL5kxO89K2nARX2JxANP06XnWkaZWeJ56tjQ%3D&reserved=0> > > *Motivation* > Currently, `AccentColor` and `AccentColorText` keywords have been > implemented in a limited capacity for Chromium. They reflect the OS' chosen > system accent color when `accent-color` is set to `auto` in an installed > web app, and return a default value otherwise. The CSSWG resolved that the > keywords should reflect the value of `accent-color`, allowing developers to > use the keywords for intuitive styling of elements. Without this change, > the keywords provide no additional value unless being used specifically for > a system accent color. > > *Initial public proposal* > [css-color-4] [css-ui-4] `color: AccentColor; accent-color: currentColor` > cycle · Issue #14192 · w3c/csswg-drafts > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fw3c%2Fcsswg-drafts%2Fissues%2F14192%23issuecomment-5202877510&data=05%7C02%7Cakyereboah%40microsoft.com%7C4e8179bfc54e4c5f71ce08df29770355%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C639275263355994546%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=tIgdVWj6wmIADgr1%2BOW0VrMmLjlBNAV8MU4cdc8ZYMo%3D&reserved=0> > > *TAG review* > This resolution is a minor update to an existing API, it is a final > published standard and is actively being worked on by another browser. > > *TAG review status* > Not applicable > > *Risks* > *Interoperability and Compatibility* > Low risk. This change aligns Chromium with the CSS Color Module Level 4 > specification for `AccentColor` and `AccentColorText`. Sites using these > keywords may observe different color values when `accent-color` is > specified, but the new behavior matches the standardized definition of the > keywords and improves interoperability. > > *Gecko*: Positive ( > https://github.com/mozilla/standards-positions/issues/1438 > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fmozilla%2Fstandards-positions%2Fissues%2F1438&data=05%7C02%7Cakyereboah%40microsoft.com%7C4e8179bfc54e4c5f71ce08df29770355%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C639275263356007096%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=0ZKaYE%2BlLXwtkD2mmQbR3VF5BIOBMgr%2FTDUPZwVy2yg%3D&reserved=0> > ) > > *WebKit*: Shipped/Shipping (https://github.com/WebKit/WebKit/pull/74949 > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FWebKit%2FWebKit%2Fpull%2F74949&data=05%7C02%7Cakyereboah%40microsoft.com%7C4e8179bfc54e4c5f71ce08df29770355%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C639275263356018987%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=Yc1GISp%2FjDoVdVPhHZiP3VAF1oWvkQt9viUhRi6WxTg%3D&reserved=0> > ) > WebKit currently has a PR out to make this change (*See link.)* > > *Web developers*: Positive (https://issues.chromium.org/issues/536420071 > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fissues.chromium.org%2Fissues%2F536420071&data=05%7C02%7Cakyereboah%40microsoft.com%7C4e8179bfc54e4c5f71ce08df29770355%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C639275263356032448%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=KOkEmqij0NsGqRlTjYR9jpuieKBKrNeqryFdtFbruiI%3D&reserved=0> > ) > CSSWG Issue: > https://github.com/w3c/csswg-drafts/issues/5900#issue-795306279 > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fw3c%2Fcsswg-drafts%2Fissues%2F5900%23issue-795306279&data=05%7C02%7Cakyereboah%40microsoft.com%7C4e8179bfc54e4c5f71ce08df29770355%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C639275263356045227%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=dujEDGW6NWJlFND4fxwSiW2bhkZiHdGjOIn%2F14x%2BA10%3D&reserved=0> > Positive upvotes on both CRBug and original CSSWG issue > > *Other signals*: > > *Ergonomics* > This change makes `AccentColor` and `AccentColorText` behave consistently > with accent-color styling defined by the specification. It does not > introduce new APIs or syntax and is expected to reduce developer confusion > by making these keywords reflect the colors authors already use for > `accent-color`. > > *Activation* > No developer action is required to enable or adopt this feature. Existing > use of `AccentColor` and `AccentColorText` automatically receives the > updated spec-defined behavior. > > *Security* > This feature does not expose new information, permissions, or browser > capabilities. It only changes how existing CSS color keywords resolve in > accordance with the CSS Color Module Level 4 specification. > > *WebView application risks* > *Does this intent deprecate or change behavior of existing APIs, such that > it has potentially high risk for Android WebView-based applications?* > None, any change is cosmetic. > > > *Debuggability* > The resulting colors are visible through existing CSS inspection and > debugging tools. Developers can inspect `accent-color`, `AccentColor`, and > `AccentColorText` using standard DevTools workflows without requiring new > debugging surfaces. > > *Will this feature be supported on all six Blink platforms (Windows, Mac, > Linux, ChromeOS, Android, and Android WebView)?* > Yes > > *Is this feature fully tested by **web-platform-tests* > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fchromium.googlesource.com%2Fchromium%2Fsrc%2F%2B%2Fmain%2Fdocs%2Ftesting%2Fweb_platform_tests.md&data=05%7C02%7Cakyereboah%40microsoft.com%7C4e8179bfc54e4c5f71ce08df29770355%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C639275263356061738%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=zlbcgUy7au0B6340fCuW3KfP42peHYw6%2FPl5dnH7BzM%3D&reserved=0> > *?* > Yes > > > https://wpt.fyi/results/forced-colors-mode/accent-color-keyword-forced-colors.html?label=master&label=experimental&aligned > > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwpt.fyi%2Fresults%2Fforced-colors-mode%2Faccent-color-keyword-forced-colors.html%3Flabel%3Dmaster%26label%3Dexperimental%26aligned&data=05%7C02%7Cakyereboah%40microsoft.com%7C4e8179bfc54e4c5f71ce08df29770355%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C639275263356078511%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=TvFC1st5f84frwtsKeuw1%2B6AXlXNW32v6114uj74auE%3D&reserved=0> > > https://wpt.fyi/results/css/css-ui/accent-color-keyword-animation.html?label=master&label=experimental&aligned > > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwpt.fyi%2Fresults%2Fcss%2Fcss-ui%2Faccent-color-keyword-animation.html%3Flabel%3Dmaster%26label%3Dexperimental%26aligned&data=05%7C02%7Cakyereboah%40microsoft.com%7C4e8179bfc54e4c5f71ce08df29770355%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C639275263356095498%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=ktoyn56AOGwfTbm3bXmDLi%2Bcawl1q%2FAWgxDrTe2EKu8%3D&reserved=0> > > https://wpt.fyi/results/css/css-ui/accent-color-keyword-cyclic.html?label=master&label=experimental&aligned > > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwpt.fyi%2Fresults%2Fcss%2Fcss-ui%2Faccent-color-keyword-cyclic.html%3Flabel%3Dmaster%26label%3Dexperimental%26aligned&data=05%7C02%7Cakyereboah%40microsoft.com%7C4e8179bfc54e4c5f71ce08df29770355%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C639275263356111531%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=acRJGYf1uIqjXY5tz4LwKJjTk5%2Be6ZqB7E0A42QLqyk%3D&reserved=0> > > https://wpt.fyi/results/css/css-ui/accent-color-keyword-resolution.html?label=experimental&label=master&aligned > > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwpt.fyi%2Fresults%2Fcss%2Fcss-ui%2Faccent-color-keyword-resolution.html%3Flabel%3Dexperimental%26label%3Dmaster%26aligned&data=05%7C02%7Cakyereboah%40microsoft.com%7C4e8179bfc54e4c5f71ce08df29770355%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C639275263356128240%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=e%2FfOxUb%2FYh2yHMVPOhMFVyx2FzqRBaAx0b0lNt7uEiw%3D&reserved=0> > > https://wpt.fyi/results/css/css-ui/accent-color-text-keyword-resolution.html?label=experimental&label=master&aligned > > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwpt.fyi%2Fresults%2Fcss%2Fcss-ui%2Faccent-color-text-keyword-resolution.html%3Flabel%3Dexperimental%26label%3Dmaster%26aligned&data=05%7C02%7Cakyereboah%40microsoft.com%7C4e8179bfc54e4c5f71ce08df29770355%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C639275263356148963%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=EzMRepiCd81cqR0vYoRK5hSe2GrEaOP043nzk9VYU%2Fc%3D&reserved=0> > > *Note: the broader `forced-colors-mode` WPT suite covers substantially > more than `AccentColor` and `AccentColorText`, so existing Blink failures > in that directory are not specific to this feature. Dedicated WPT coverage > for this change has now landed, but these tests are expected to fail until > the dependent implementation change ships.* > > *Flag name on about://flags* > *No information provided* > > *Finch feature name* > CSSSystemAccentColorKeyword > > *Rollout plan* > Will ship enabled for all users > > *Requires code in //chrome?* > False > > *Tracking bug* > https://issues.chromium.org/issues/536420071 > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fissues.chromium.org%2Fissues%2F536420071&data=05%7C02%7Cakyereboah%40microsoft.com%7C4e8179bfc54e4c5f71ce08df29770355%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C639275263356167601%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=1Z5S4Y9h9bsU5l12mgM7QjkYA7V0stEBSw%2FW9%2F9Y97w%3D&reserved=0> > > *Measurement* > The `AccentColor` feature counter and usage is viewable at > https://chromestatus.com/metrics/webfeature/timeline/popularity/6 > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fchromestatus.com%2Fmetrics%2Fwebfeature%2Ftimeline%2Fpopularity%2F6&data=05%7C02%7Cakyereboah%40microsoft.com%7C4e8179bfc54e4c5f71ce08df29770355%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C639275263356184400%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=gM1YvTQbnkvuF4JZFO270u0iiLsW%2FGVC%2B9%2BunhtdcGU%3D&reserved=0> > > *Availability expectation* > Feature is available on Web Platform Baseline within 12 months of launch > in Chrome. Safari is mid-implementation and Mozilla has shown positive > signals towards implementation. > > *Adoption expectation* > Feature is considered best practice for providing `accent-color` styling > as a value keyword within 12 months of reaching Web Platform baseline. > > *Adoption plan* > We will drive availability through the existing CSSWG standardization and > coordination with other browser vendors. For adoption, we will update MDN > and Chrome developer documentation to recommend AccentColor and > AccentColorText as the preferred way to reuse the effective accent-color > value in authored CSS. > > *Non-OSS dependencies* > *Does the feature depend on any code or APIs outside the Chromium open > source repository and its open-source dependencies to function?* > No. > > *Estimated milestones* > > Shipping on desktop > > 159 > > Shipping on Android > > 159 > > *Anticipated spec changes* > *Open questions about a feature may be a source of future web compat or > interop issues. Please list open issues (e.g. links to known github issues > in the project for the feature specification) whose resolution may > introduce web compat/interop risk (e.g., changing to naming or structure of > the API in a non-backward-compatible way).* > The standardized text for this feature has been in spec for a few years > now with no changes. There are no open issues left and changes are not > anticipated. > > *Link to entry on the Chrome Platform Status* > https://chromestatus.com/feature/6207138742534144?gate=6191488821231616 > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fchromestatus.com%2Ffeature%2F6207138742534144%3Fgate%3D6191488821231616&data=05%7C02%7Cakyereboah%40microsoft.com%7C4e8179bfc54e4c5f71ce08df29770355%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C639275263356201187%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=aamqOIpmhVAhhHH9CFqKjpyhe45typTRswAREkJUXzQ%3D&reserved=0> > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/238eed4b-5dbe-44b9-8231-8f34b63e3376n%40chromium.org.
