How Can I Create a Mesmerizing Radial Gradient Shimmer Effect with CSS?

Animating Radial Gradients with CSS

In the pursuit of creating a mesmerizing radial-gradient shimmer effect, developers often encounter challenges due to a lack of clear resources. While some solutions may provide a subtle glow, they fall short of replicating the desired effect.

To achieve a vibrant and impactful shine, it's imperative to rethink the approach to creating radial gradients. Instead of relying on gradients anchored at the center, experiment with gradients positioned at the corners. By starting the gradient at a corner and setting its size to double its intended dimensions, you can effectively simulate the illusion of the gradient moving across the element.

Furthermore, to ensure smooth transition of the luminous white shine, calculate the color stop values as half of their actual values. This subtle adjustment will maintain the visual gradient while allowing you to animate its position from left to right.

Here's an example demonstrating this technique:

#shine-div {
  height: 30vh;
  width: 60vw;
  margin: auto;
  border-radius: 10px;
  background: radial-gradient(farthest-corner at top, #FFFFFF 0%, #ffb3ff 4%, #ff33ff 12.25%, #800080 31.25%, #b300b3 50%) top right/200% 200%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  font-weight: bold;
  animation: colorChange 5s infinite alternate;
}

@keyframes colorChange {
  to {
    background-position: top left;
  }
}

This approach allows for seamless and visually appealing radial-gradient animations, providing an effective solution to your glowing design needs.

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