1.预定义的颜色值
代码：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>文本颜色</title>
<style>
div{
color: blue;
}
</style>
</head>
<body>
<div>这个是蓝色</div>
</body>
</html>运行效果：
2.十六进制
代码：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>文本颜色</title>
<style>
div{
color: #ff0000;
}
</style>
</head>
<body>
<div>这个是红色</div>
</body>
</html>运行效果：
3.RGB代码
代码：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>文本颜色</title>
<style>
div{
color:rgb(255,0,255);
}
</style>
</head>
<body>
<div>这个是紫色</div>
</body>
</html>运行效果：
开发中最常用的是十六进制