<!DOCTYPE html>

<html>
<head>
    <style>
    img {
        margin: 10px;
        height: 100px;
        width: 100px;
    }
    
    svg {
        display: none;
    }
    </style>
</head>
<body>
    <!-- These two images should look the same. -->
    <img style="-webkit-filter: url(#redToGreen);" src="data:image/gif;base64,R0lGODlhAQABAPAAAP8REf///yH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==">
    <img style="-webkit-filter: url(#redToGreen);" src="data:image/gif;base64,R0lGODlhAQABAPAAAP8REf///yH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==">

    <svg>
      	<filter id="redToGreen">
        <feColorMatrix type="matrix" values="0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0" />
      </filter>
    </svg>
</body>
</html>