The grayscale()
CSS function converts the input image to grayscale. Its result is a <filter-function>()
.
Syntax
grayscale(amount)
Parameters
amount
-
Amount of the input image that is converted to grayscale. It is specified as a
<number>()
or a<percentage>()
. A value of100%
changes the input completely to grayscale, while a value of0%
leaves the input unchanged. Values between0%
and100%
have linear multipliers on the effect. If thegrayscale()
filter is present with no parameter, the default value is1
. The initial value used for interpolation is0
.
Examples
Examples of correct values for grayscale()
grayscale(0) /* No effect */ grayscale(.7) /* 70% grayscale */ grayscale(100%) /* Completely grayscale */
See also
The other <filter-function>()
functions available to be used in values of the filter()
and backdrop-filter()
properties include: