LESS - Color Blending Overlay Function


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Description

The overlay generates result by combining the effect of multiply and screen. It makes light channels lighter and dark channels darker. The result is based on the first color parameter.

Parameters

  • color1 − A base color object which is the determinant color making the resultant color lighter or darker.

  • color2 − A color object to overlay.

Returns

color

Example

The following example demonstrates the use of overlay function in the LESS file −

<html>
   <head>
      <link rel = "stylesheet" href = "style.css" type = "text/css" />
   </head>

   <body>
      <h2>Overlay Function</h2>
      <div class = "color1">
         <p>(color1) <br> #ff6600</p>
      </div><br>
      
      <div class = "color2">
         <p>(color2) <br> #0000ff</p>
      </div><br>
      
      <div class = "res">
         <p>(result) <br> #ff0000</p>
      </div>
   </body>
</html>

Next, create the style.less file.

style.less

.color1 {
   width: 100px;
   height: 100px;
   background-color: #ff6600;
}

.color2 {
   width: 100px;
   height: 100px;
   background-color: #0000ff;
}

.res {
   width: 100px;
   height: 100px;
   background-color: overlay(#ff6600, #0000ff);
}

p {
   padding: 30px 0px 0px 25px;
}

You can compile the style.less to style.css by using the following command −

lessc style.less style.css

Execute the above command; it will create the style.css file automatically with the following code −

style.css

.color1 {
   width: 100px;
   height: 100px;
   background-color: #ff6600;
}

.color2 {
   width: 100px;
   height: 100px;
   background-color: #0000ff;
}

.result {
   width: 100px;
   height: 100px;
   background-color: #ff0000;
}

p {
   padding: 30px 0px 0px 25px;
}

Output

Follow these steps to see how the above code works −

  • Save above code in color_blending_overlay.html file.

  • Open this HTML file in a browser, the following output will get displayed.

Less Color Blending Functions
less_color_blending_functions.htm
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