Can a CSS3 filter be utilized to transform gradient colors into solid colors?

I have an interesting scenario where I am using a -webkit-mask with a radial-gradient to create small dots on a background image. These dots are transparent, allowing the background image to show through.

However, each dot has a gradient color within it.

I am wondering if there is a way to identify the average color in each dot and apply a CSS filter to display a solid color instead?

Essentially, I want to convert any gradient colors in a dot to a single solid color. For example, if a dot has varying shades of blue, I would like to apply a filter that displays a solid blue color.

Attached is a screenshot illustrating this situation:

Is there a CSS solution to achieve this without creating separate divs for each dot and setting the background color manually? Or should I consider experimenting with WebGL?

csscolorsradial-gradientscss-filterscss-mask

Answer №1

By utilizing blend properties, you are able to extract solely the hue value from the underlying div

This demonstration showcases a base element with a gradient. The overlay eliminates any variation in luminosity, instead applying the overlay's luminosity

div {
    height: 200px;
}
.base {
    width: 300px;
    background-image: linear-gradient(hsl(120, 50%, 60%),hsl(120, 100%, 90%));
}
.overlay {
   position: absolute;
    width: 100px;
    left: 100px;
    top: 10px;
    z-index: 2;
    border: solid 1px black;
    background-color: gray;
    mix-blend-mode: luminosity;
}
<div class="base"></div>
<div class="overlay"></div>

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