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File: /var/www/html/private/颜色代码查看器.html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>颜色代码查看器</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            max-width: 600px;
            margin: 0 auto;
            padding: 20px;
            text-align: center;
        }
        .container {
            margin-top: 50px;
        }
        input {
            padding: 10px;
            width: 150px;
            font-size: 16px;
            margin-right: 10px;
        }
        button {
            padding: 10px 20px;
            background-color: #4CAF50;
            color: white;
            border: none;
            cursor: pointer;
            font-size: 16px;
        }
        button:hover {
            background-color: #45a049;
        }
        .color-display {
            width: 200px;
            height: 200px;
            margin: 30px auto;
            border: 1px solid #ddd;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: white;
            text-shadow: 1px 1px 1px black;
        }
        .info {
            margin-top: 20px;
            padding: 10px;
            background-color: #f8f8f8;
            border-radius: 5px;
        }
    </style>
</head>
<body>
    <h1>颜色代码查看器</h1>
    <div class="container">
        <input type="text" id="colorInput" placeholder="输入颜色代码" value="#FF0000">
        <button onclick="showColor()">显示颜色</button>
        
        <div class="color-display" id="colorDisplay">颜色预览</div>
        
        <div class="info">
            <p>支持的颜色格式:</p>
            <p>十六进制: #FF0000, #F00</p>
            <p>RGB: rgb(255, 0, 0)</p>
            <p>RGBA: rgba(255, 0, 0, 0.5)</p>
            <p>HSL: hsl(0, 100%, 50%)</p>
            <p>颜色名称: red, blue, green等</p>
        </div>
    </div>

    <script>
        function showColor() {
            const colorInput = document.getElementById('colorInput').value;
            const colorDisplay = document.getElementById('colorDisplay');
            
            // 尝试设置背景颜色
            colorDisplay.style.backgroundColor = colorInput;
            
            // 检查颜色是否有效
            const computedColor = window.getComputedStyle(colorDisplay).backgroundColor;
            if (computedColor === 'rgba(0, 0, 0, 0)') {
                colorDisplay.textContent = '无效颜色代码';
                colorDisplay.style.backgroundColor = 'white';
            } else {
                colorDisplay.textContent = colorInput;
            }
        }
        
        // 初始加载时显示默认颜色
        window.onload = showColor;
    </script>
</body>
</html>