WCAG Color contrast checker

To check the color contrast between foreground and background of the texts

O que é WCAG Color contrast checker?

WCAG Color contrast checker é uma extensão do Chrome desenvolvida por Jorge Rumoroso, e sua principal característica é "To check the color contrast between foreground and background of the texts".

Capturas de Tela da Extensão

screenshot

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Baixe arquivos de extensão WCAG Color contrast checker no formato crx, instale manualmente as extensões do Chrome no navegador ou compartilhe os arquivos crx com amigos para instalar facilmente as extensões do Chrome.

Instruções de Uso da Extensão

                        It checks the color contrast between the foreground and background of the elements that are in the page according to the WCAG 2.2.

It evaluates the contrast on all elements of the page considering their computed style for the color and background-color CSS properties. In case of these colors are defined with RGBA values, it also considers the opacity to deduce the real color that finally is show.

It can simulate color blindness and evaluate the contrast for the simulations. By this way, developers can see how the pages look for colorblind users. 

The tool also includes two fields in which the colors can be introduced manually to be tested. It also allows to pick the color directly from the documents.

Finally, it auto-refreshes when DOM of the page changes (addition or removing elements), but if the page has many changes, this behavior can be de-activated.

Privacy statement on: https://rumoroso.bitbucket.io/                    

Informações Básicas da Extensão

Nome WCAG Color contrast checker WCAG Color contrast checker
ID plnahcmalebffmaghcpcmpaciebdhgdf
URL Oficial https://chromewebstore.google.com/detail/wcag-color-contrast-check/plnahcmalebffmaghcpcmpaciebdhgdf
Descrição To check the color contrast between foreground and background of the texts
Tamanho do Arquivo 163 KB
Contagem de Instalações 61,408
Versão Atual 3.8.4
Última Atualização 2024-03-03
Data de Publicação 2020-06-26
Classificação 4.05/5 Total de 20 Avaliações
Desenvolvedor Jorge Rumoroso
Email [email protected]
Tipo de Pagamento free
Idiomas Suportados en
manifest.json
{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "__MSG_extensionName__",
    "description": "__MSG_extensionDescription__",
    "author": "Jorge Rumoroso",
    "manifest_version": 3,
    "version": "3.8.4",
    "icons": {
        "48": "icons\/icon_large.png",
        "96": "icons\/icon_large_96x96.png",
        "128": "icons\/icon128_with_margin.png"
    },
    "default_locale": "en",
    "content_scripts": [
        {
            "matches": [
                ""
            ],
            "js": [
                "content_scripts\/contrastChecker.js"
            ],
            "css": [
                "css\/inDocumentStyles.css"
            ],
            "run_at": "document_end",
            "all_frames": true
        }
    ],
    "background": {
        "service_worker": "service-worker.js"
    },
    "permissions": [
        "activeTab",
        "storage",
        "webNavigation"
    ],
    "host_permissions": [
        ""
    ],
    "action": {
        "default_icon": {
            "32": "icons\/icon_overlay.png"
        },
        "default_title": "WCAG Color contrast checker"
    },
    "web_accessible_resources": [
        {
            "resources": [
                "html\/*",
                "css\/*",
                "getFrameId",
                "_locales\/*"
            ],
            "matches": [
                ""
            ],
            "extension_ids": []
        }
    ]
}