CSS Property: filter: sepia()

The filter: sepia property converts an image to sepia, giving it a warmer and more yellow/brown appearance. 0% provides the original image, while 100% applies full sepia. Negative values are not allowed.

EXAMPLE

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>filter: sepia</title>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">

    <style>
        * {
            box-sizing: border-box;
        }
        img {
            filter: sepia(85%);
        }
    </style>
</head>
<body>
<img src="/demo/smiley.png" width="403" height="336" alt="Smiley">
</body>
</html>

RESULT