The saturate()
CSS function super-saturates or desaturates the input image. Its result is a <filter-function>
.
saturate(amount)
amount
<number>
or a <percentage>
. A value under 100%
desaturates the image, while a value over 100%
super-saturates it. A value of 0%
is completely unsaturated, while a value of 100%
leaves the input unchanged. The lacuna value for interpolation is 1
.saturate(0) /* Completely unsaturated */ saturate(.4) /* 40% unsaturated */ saturate(100%) /* No effect */ saturate(200%) /* Double saturation */
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https://developer.mozilla.org/en-US/docs/Web/CSS/filter-function/saturate