The contrast() CSS function adjusts the contrast of the input image. Its result is a <filter-function>.
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Syntax
contrast(amount)
Parameters
amount- The contrast of the result, specified as a
<number>or a<percentage>. A value under100%decreases the contrast, while a value over100%increases it. A value of0%will create an image that is completely gray, while a value of100%leaves the input unchanged. The lacuna value for interpolation is1.
Examples
Setting contrast using numbers and percentages
contrast(0) /* Completely gray */ contrast(65%) /* 65% contrast */ contrast(1) /* No effect */ contrast(200%) /* Double contrast */
Specifications
| Specification | Status |
|---|---|
| Filter Effects Module Level 1 The definition of 'contrast()' in that specification. |
Working Draft |