Check contrast ratio of any element on website by hovering over it

Latest Version

Version
0.0.1
Update
November 18, 2022
Size
13.16KiB
Developer
Category
Users
35
Rating
0 ★
Manifest Version
3
Web Store Status
Languages Support
English
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Permissions
ActiveTab
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Contrast Ratio Dropper Extension

The Contrast Ratio Dropper is the easiest and fastest way to see if an element on your website has enough contrast. Just open the extension, then click on the text you want to check, it instantly calculates contrast ratio using background color of element and color of text.

Contrast ratio makes impact on SEO and Accessibility and it’s very important for every website. The contrast ratio is a measure of how different the luminance of an element is compared to its background.

Ideal contrast ratio should be > 4.5 extension will detect and shows contrast ratio of element hovered on.

Usage :-
* Click on the extension and hover on any text to see contrast ratio
* Click on page or extension again to deactivate
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "name": "Contrast Ratio Dropper", "description": "Check contrast ratio of any element on website by hovering over it", "version": "0.0.1", "manifest_version": 3, "icons": { "16": "img/logo-16.png", "32": "img/logo-34.png", "48": "img/logo-48.png", "128": "img/logo-128.png" }, "action": {}, "background": { "service_worker": "service-worker-loader.js", "type": "module" }, "content_scripts": [ { "js": [ "assets/content-script-loader.chunk-96ad4b5b.d4f928c0.js" ], "matches": [ "http://*/*", "https://*/*" ] } ], "web_accessible_resources": [ { "matches": [], "resources": [ "img/logo-16.png", "img/logo-34.png", "img/logo-48.png", "img/logo-128.png" ], "use_dynamic_url": false }, { "matches": [ "http://*/*", "https://*/*" ], "resources": [ "assets/chunk-96ad4b5b.js" ], "use_dynamic_url": true } ], "permissions": [ "activeTab" ]}
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How to download and manually install Contrast Ratio Dropper extension for Chrome

Looking for a way to install Contrast Ratio Dropper extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install Contrast Ratio Dropper extensions manually, this article outlines two simple methods to effortlessly install Contrast Ratio Dropper extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download Contrast Ratio Dropper extension and manually install through Drag &Drop

If you ever need to manually install a Contrast Ratio Dropper extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the Contrast Ratio Dropper Extension by clicking the "Download CRX" button on the website.

Look for the Contrast Ratio Dropper extension you wish to install. Go to the website and download the Contrast Ratio Dropper extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for Contrast Ratio Dropper extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the Contrast Ratio Dropper extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download Contrast Ratio Dropper extension for Chrome and install in Developer Mode

This is another method to install Contrast Ratio Dropper extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the Contrast Ratio Dropper extension file

Select and download the Contrast Ratio Dropper extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the Contrast Ratio Dropper extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your Contrast Ratio Dropper extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the Contrast Ratio Dropper extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install Contrast Ratio Dropper extension in 2 ways. We hope this guide proves helpful.

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