The grayscale() CSS function converts the input image to grayscale. Its result is a <filter-function>.
The grayscale() CSS function converts the input image to grayscale. Its result is a <filter-function>.
grayscale(amount)
amountThe amount of the conversion, specified as a <number> or a <percentage>. A value of 100% is completely grayscale, while a value of 0% leaves the input unchanged. Values between 0% and 100% are linear multipliers on the effect. Default value when omitted is 1. The initial value for interpolation is 0.
grayscale(0) /* No effect */ grayscale(.7) /* 70% grayscale */ grayscale(100%) /* Completely grayscale */
| Specification |
|---|
| Filter Effects Module Level 2 # funcdef-filter-grayscale |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
grayscale |
18 |
12 |
35 |
No |
15 |
6 |
4.4 |
53 |
35 |
14 |
6 |
6.0 |
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https://developer.mozilla.org/en-US/docs/Web/CSS/filter-function/grayscale