What does this code display?

An image with lowered contrastAn image with raised contrastAn image with the default contrast value<html>
<head>
<style>img {
filter: contrast(50%);
  height: 300px;
} </style> </head>
<body>
    <h3>Photo Magazine</h3>
    <img src="https://mimo.app/i/light-bulb.png">
</body>
</html>]]>

An image with lowered contrast.