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How can I efficiently animate a CSS variable color change on hover? [closed]

  • Thread starter Thread starter Software Developer
  • Start date Start date
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Software Developer

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I'm working on a web project where I have defined several colors using CSS variables (--primary-color, --secondary-color, etc.). I want to smoothly animate the change of these colors when hovering over specific elements.

Here's a simplified structure:


Code:
:root {
  --primary-color: #aaf;
  --secondary-color: #faa;
}

.element {
  background-color: var(--primary-color);
  transition: background-color 0.3s ease;
  padding: 20px;
  display: inline-block;
  cursor: pointer;
}

.element:hover {
  background-color: var(--secondary-color);
}

Code:
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>CSS Variable Color Animation Example</title>
</head>
<body>
  <div class="element">Hover over me</div>
</body>
</html>

I've tried using transitions on the background-color property with CSS, as shown above. However, this approach doesn't smoothly transition between different CSS variable values (--primary-color to --secondary-color). The transition happens abruptly.

What's the best approach to achieve smooth color transitions using CSS animations or JavaScript? Any guidance or examples would be greatly appreciated!
<p>I'm working on a web project where I have defined several colors using CSS variables (<code>--primary-color</code>, <code>--secondary-color</code>, etc.). I want to smoothly animate the change of these colors when hovering over specific elements.</p>
<p>Here's a simplified structure:</p>
<p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
<div class="snippet-code">
<pre class="snippet-code-css lang-css prettyprint-override"><code>:root {
--primary-color: #aaf;
--secondary-color: #faa;
}

.element {
background-color: var(--primary-color);
transition: background-color 0.3s ease;
padding: 20px;
display: inline-block;
cursor: pointer;
}

.element:hover {
background-color: var(--secondary-color);
}</code></pre>
<pre class="snippet-code-html lang-html prettyprint-override"><code><!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CSS Variable Color Animation Example</title>
</head>
<body>
<div class="element">Hover over me</div>
</body>
</html></code></pre>
</div>
</div>
</p>
<p>I've tried using transitions on the background-color property with CSS, as shown above. However, this approach doesn't smoothly transition between different CSS variable values (<code>--primary-color</code> to <code>--secondary-color</code>). The transition happens abruptly.</p>
<p>What's the best approach to achieve smooth color transitions using CSS animations or JavaScript? Any guidance or examples would be greatly appreciated!</p>
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