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)
amountAmount of the input image that is converted to grayscale. It is specified as a <number> or a <percentage>. A value of 100% changes the input completely to grayscale, while a value of 0% leaves the input unchanged. Values between 0% and 100% have linear multipliers on the effect. The default value when omitted is 0. The initial value used for interpolation is 0.
grayscale(0) /* No effect */ grayscale(.7) /* 70% grayscale */ grayscale(100%) /* Completely grayscale */
| Specification |
|---|
| Filter Effects Module Level 1 # 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 |
The other <filter-function> functions available to be used in values of the filter and backdrop-filter properties include:
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https://developer.mozilla.org/en-US/docs/Web/CSS/filter-function/grayscale