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The CSS saturate() Filter Function

This article demonstrates how to the use the CSS saturate filter function on elements with CSS filter. Included is code and examples.

The saturate function is a value of the CSS filter property. Saturate applies saturation to the target HTML element. This can also include an image.

Syntax

filter: saturate(value);

Parameters

  • value (required)

The value parameter of saturate is a percentage or a number. A value over 0% increases the saturation. This means 0% is unsaturated and 100% is completely saturated and leaves the element unchanged. Any value between 0% and 100% is a linear proportion of the saturation conversion. When suppling a value over 100% you can create a super-saturation effect. Negative values are not accepted and the default value is 1 when omitted. For interpolation the initial value is also 1.

Examples

The examples below uses numbers and percentages values for the parameter of the saturation filter function.


saturate(1)       /* No effect */
saturate(100%)    /* No effect */

saturate(13%)     /* A saturation of 13% */
saturate(0.58)    /* A saturation of 58% */
  
saturate(0.3%)    /* A saturation of 30% */
saturate(2%)      /* A saturation of 2% */
saturate(0.99)    /* A saturation of 99% */

saturate(0)       /* No saturation */
saturate(0%)      /* No saturation */

Usage

You can apply the saturate filter to any element or image by using CSS selectors.

#element-id {
  filter: saturate(5%);
}

img {
  filter: saturate(0.75);
}

Try It

The CSS Opacity Filter Function
The CSS Opacity Filter Function

HTML

<div class="wrapper">
  <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/46992/noah-silliman-141979.jpg" alt="" />
  <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/46992/noah-silliman-141979.jpg" alt="" />
  <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/46992/noah-silliman-141979.jpg" alt="" />
</div>

CSS

.wrapper img {
  width: 300px;
  height: 300px;
  object-fit: cover;
  border-radius: 6px;
  margin: 0 20px;
  vertical-align: middle;
}

.wrapper img:nth-child(1) {
  filter: saturate(100%);
}

.wrapper img:nth-child(2) {
  filter: saturate(50%);
}

.wrapper img:nth-child(3) {
  filter: saturate(0%);
}

html {
  text-align: center;
  min-height: 100%;
  background: linear-gradient(white, #ddd);
}

.wrapper {
  width: 100%;
  background: transparent;
  text-align: center;
  -webkit-box-align: center !important;
  -ms-flex-align: center !important;
  align-items: center !important;
  -webkit-box-pack: center !important;
  -ms-flex-pack: center !important;
  justify-content: center !important;
  display: -webkit-box !important;
  display: -ms-flexbox !important;
  display: flex !important;
  height: 100%;
}

html,
body {
  height: 100%;
  margin: 0;
}

Specifications

W3C CSS Filter Effects Module Level 1
#funcdef-filter-saturate

Other Filter Functions