CSS 轮廓颜色


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CSS 轮廓颜色

outline-color 属性用于设置轮廓的颜色。

颜色可以通过以下方式设置:

  • name - 指定颜色名称,例如“red”

  • HEX - 指定十六进制值,例如“#ff0000”

  • RGB - 指定 RGB 值,例如“rgb(255,0,0)”

  • HSL - 指定 HSL 值,例如“hsl(0, 100%, 50%)”

  • 反转 - 执行颜色反转(这确保轮廓可见,无论颜色背景如何)

以下示例显示了一些具有不同颜色的不同轮廓。 另请注意,这些元素的轮廓内还有一个细黑色边框:

A solid red outline.

A dotted blue outline.

An outset grey outline.

例子

p.ex1
{
    border: 2px solid black;	outline-style: solid;
  outline-color: red;
}
p.ex2
{
  border: 2px solid black;	outline-style: dotted;
   
outline-color: blue;
}
p.ex3
{
  border: 2px solid black;
  outline-style: outset;
  outline-color: grey;
}

自己尝试一下→

<!DOCTYPE html>
<html>
<head>
<style>
p.ex1 {
  border: 2px solid black;
  outline-style: solid;
  outline-color: red;
}

p.ex2 {
  border: 2px solid black;
  outline-style: dotted;
  outline-color: blue;
}

p.ex3 {
  border: 2px solid black;
  outline-style: outset;
  outline-color: grey;
}
</style>
</head>
<body>

<h2>The outline-color Property</h2>
<p>The outline-color property is used to set the color of the outline.</p>

<p class="ex1">A solid red outline.</p>
<p class="ex2">A dotted blue outline.</p>
<p class="ex3">An outset grey outline.</p>

</body>
</html>



十六进制值

轮廓颜色也可以使用十六进制值 (HEX) 指定:

例子

 p.ex1 {
  outline-style: solid;
  outline-color: #ff0000; 
  /* red */
}

自己尝试一下→

<!DOCTYPE html>
<html>
<head>
<style>
p.ex1 {
  border: 2px solid black;
  outline-style: solid;
  outline-color: #ff0000; /* red */
}

p.ex2 {
  border: 2px solid black;
  outline-style: dotted;
  outline-color: #0000ff; /* blue */
}

p.ex3 {
  border: 2px solid black;
  outline-style: solid;
  outline-color: #bbbbbb; /* grey */
}
</style>
</head>
<body>

<h2>The outline-color Property</h2>
<p>The color of the outline can also be specified using a hexadecimal value (HEX):</p>

<p class="ex1">A solid red outline.</p>
<p class="ex2">A dotted blue outline.</p>
<p class="ex3">A solid grey outline.</p>

</body>
</html>




RGB 值

或者使用 RGB 值:

例子

 p.ex1 {
  outline-style: solid;
  outline-color: rgb(255, 0, 0); /* 
  red */
}

自己尝试一下 →

<!DOCTYPE html>
<html>
<head>
<style>
p.ex1 {
  border: 2px solid black;
  outline-style: solid;
  outline-color: rgb(255, 0, 0); /* red */
}

p.ex2 {
  border: 2px solid black;
  outline-style: dotted;
  outline-color: rgb(0, 0, 255); /* blue */
}

p.ex3 {
  border: 2px solid black;
  outline-style: solid;
  outline-color: rgb(187, 187, 187); /* grey */
}
</style>
</head>
<body>

<h2>The outline-color Property</h2>
<p>The color of the outline can also be specified using RGB values:</p>

<p class="ex1">A solid red outline.</p>
<p class="ex2">A dotted blue outline.</p>
<p class="ex3">A solid grey outline.</p>

</body>
</html>



福胜利价值观

您还可以使用 HSL 值:

例子

 p.ex1 {
  outline-style: solid;
  outline-color: hsl(0, 100%, 50%); 
  /* red */
}

自己尝试一下 →

<!DOCTYPE html>
<html>
<head>
<style>
p.ex1 {
  border: 2px solid black;
  outline-style: solid;
  outline-color: hsl(0, 100%, 50%); /* red */
}

p.ex2 {
  border: 2px solid black;
  outline-style: dotted;
  outline-color: hsl(240, 100%, 50%); /* blue */
}

p.ex3 {
  border: 2px solid black;
  outline-style: solid;
  outline-color: hsl(0, 0%, 73%); /* grey */
}
</style>
</head>
<body>

<h2>The outline-color Property</h2>
<p>The color of the outline can also be specified using HSL values:</p>

<p class="ex1">A solid red outline.</p>
<p class="ex2">A dotted blue outline.</p>
<p class="ex3">A solid grey outline.</p>

</body>
</html>


您可以在我们的 CSS 颜色章节中了解有关 HEX、RGB 和 HSL 值的更多信息。