CSS色度滤镜
色度滤镜用于使任何特定颜色透明，通常用于图像。您也可以将其与滚动条一起使用。
示例
实施CSS色度过滤器-
<html>
<head>
</head>
<body>
<img src = "/images/css.gif" alt = "CSS Logo" style = "Filter: Chroma(Color = #FFFFFF)">
<p>Text Example:</p>
<div style = "width: 580; height: 50; font-size: 30pt; font-family: Arial Black; color: #3300FF;
Filter: Chroma(Color = #3300FF)">CSS Tutorials</div>
</body>
</html>