The sepia() CSS function converts the input image to sepia, giving it a warmer, more yellow/brown appearance. Its result is a <filter-function>.
On this page
sepia()
Try it
Syntax
css
sepia(amount)
    Parameters
- 
      
amount - 
      
The amount of the conversion, specified as a
<number>or a<percentage>. A value of100%is completely sepia, while a value of0%leaves the input unchanged. Values between0%and100%are linear multipliers on the effect. The initial value for interpolation is0. 
Examples
Examples of correct values for sepia()
css
sepia(0)     /* No effect */
sepia(.65)   /* 65% sepia */
sepia(100%)  /* Completely sepia */
    Specifications
| Specification | 
|---|
| Filter Effects Module Level 1  # funcdef-filter-sepia  | 
      
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
sepia | 
       18 | 12 | 35 | No | 15 | 6 | 4.4 | 53 | 35 | 14 | 6 | 6.0 | 
See also
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/sepia