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接收十六进制颜色并生成该颜色的前景和背景变体

它采用了由Patrick Fitzgerald在2004年创建的优秀的PHP类（http://www.barelyfitz.com/projects/csscolor/）并将其封装成一个库，以便在你的项目中使用。

安装

通过Composer安装此包。将以下内容添加到你的composer.json文件中

"require": {
    "soapbox/css-colors": "dev-master"
}

然后，运行composer install

最后，将服务提供者和外观添加到app/config/app.php中。

'providers' => array(
    // ...

    'SoapBox\Csscolor\CsscolorServiceProvider'
)


Not required, but you can addd the Csscolor alias if you want.

'aliases' => array(
    // ...

    'Csscolor' => 'SoapBox\Csscolor\Facade'
)

使用方法

你只需要将HEX值放入颜色对象中

$color = Csscolor::make('3D88C8');

$color->bg['0']; // returns the same colour as entered
$color->bg['+1']; // +1 to +5 and -1 to -5 to return variations of the colour to work with gradiants
$color->fg['0']; // returns a colour that can sit on the foreground of the defined hex value
...

使用颜色#3D88C8实例化的$color对象的var_dump输出如下

object(SoapBox\Csscolor\Csscolor)[1109]
  public 'bg' => 
    array (size=11)
      0 => string '3D88C8' (length=6)
      '+1' => string '5a9ad0' (length=6)
      '+2' => string '6ea6d6' (length=6)
      '+3' => string '9fc4e4' (length=6)
      '+4' => string 'cee1f1' (length=6)
      '+5' => string 'ecf4fa' (length=6)
      -1 => string '3474aa' (length=6)
      -2 => string '2e6696' (length=6)
      -3 => string '1f4464' (length=6)
      -4 => string '0f2232' (length=6)
      -5 => string '060e14' (length=6)
  public 'fg' => 
    array (size=11)
      0 => string 'ffffff' (length=6)
      '+1' => string '000000' (length=6)
      '+2' => string '000000' (length=6)
      '+3' => string '000000' (length=6)
      '+4' => string '0f2232' (length=6)
      '+5' => string '1f4464' (length=6)
      -1 => string 'ffffff' (length=6)
      -2 => string 'ffffff' (length=6)
      -3 => string 'ffffff' (length=6)
      -4 => string 'cee1f1' (length=6)
      -5 => string '9fc4e4' (length=6)
  public 'minBrightDiff' => int 126
  public 'minColorDiff' => int 500