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Pure CSS Magic: Glowing Rainbow Text Animation

In this article, we’ll create a mesmerizing Rainbow Text Animation using only HTML and CSS. This vibrant gradient effect adds a playful, attention-grabbing visual to your headlines or hero sections — and yes, it’s all done without a single line of JavaScript.

What You’ll Learn

In this tutorial, you’ll discover how to:

  • Style text with an animated rainbow gradient.
  • Use -webkit-background-clip and text-fill-color for rich visual effects.
  • Apply seamless animation using CSS @keyframes.
  • Enhance typography with text shadows and uppercase spacing.

This is a simple yet striking way to add motion and color to your web typography.

HTML & CSS: Rainbow Text in Action

The effect centers around a single <span> element inside a styled paragraph. Here’s the full code to get started:

<p>
  Color the Web with
  <span>Rainbow Text</span>
  — Pure CSS Magic —
</p>
body {
  margin: 0;
  background: #0f0f0f;
  font-family: "Segoe UI", sans-serif;
  color: rgba(255, 255, 255, 0.2);
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

p {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  padding: 2.5em;
  border-top: 3px solid rgba(255, 255, 255, 0.2);
  border-bottom: 3px solid rgba(255, 255, 255, 0.2);
  display: inline-block;
}

p span {
  font-size: 4em;
  font-weight: 900;
  letter-spacing: 0;
  display: block;

  /* Rainbow Gradient */
  background: linear-gradient(
    270deg,
    #ff0000,
    #ff9900,
    #ffff00,
    #33cc33,
    #0066ff,
    #6600cc,
    #ff3399,
    #ff0000
  );
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;

  animation: rainbowMove 5s linear infinite;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

@keyframes rainbowMove {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 100% 50%;
  }
}

This glowing rainbow effect is flexible and lightweight — a perfect upgrade for standout text anywhere on your site. Use it in titles, banners, or even as a stylish button label!

See the Pen Animated Rainbow Gradient Text Effect by Codeymaze (@Codeymaze) on CodePen.