How Can CSS Variables Ensure Color Consistency Across Your Website?

Using CSS Variables for Color Consistency

In the realm of CSS development, extensive codebases can lead to tedious modifications, especially when managing color schemes. To address this, CSS Variables offer a solution to facilitate color changes and maintain consistency throughout your code.

Defining Colors as Variables

CSS Variables enable you to assign colors to variables, allowing you to effortlessly update multiple elements using a single variable change. The syntax is simple:

:root {
    --main-color: #06c;
}

To utilize the variable, refer to it within your CSS using the var(--main-color) format. For instance:

#foo {
    color: var(--main-color);
}

Modifying Variables in JavaScript

Beyond CSS, you can dynamically modify CSS variables using JavaScript. To change the --main-color variable to blue, execute the following:

document.body.style.setProperty('--main-color',"#6c0")

Browser Support

CSS Variables are widely supported in modern browsers. They work seamlessly in Firefox (31 ), Chrome (49 ), Safari (9.1 ), Microsoft Edge (15 ), and Opera (36 ).

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