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Less contrast()

The Less contrast function is used to set the contrast for the colors in the element and change the difference between light and dark values. The parameters used for contrast function are:

  • color: It is used to specify the color object.
  • dark: It is an optional parameter that is used to set dark color.
  • light: It is an optional parameter that is used to set light color.
  • threshold: It is an optional parameter that contains percentage between 0 - 100% and specifies transition from dark to light.

Contrast Function Example

Let's take an example to demonstrate the usage of contrast color operation in Less file.

Create a HTML file named ?simple.html?, having the following data.

HTML file: simple.html

Now create a file named "simple.less". It is similar to CSS file. The only one difference is that it is saved with ".less" extension.

LESS file: simple.less

Put the both file "simple.html" and "simple.less" inside the root folder of Node.js

Now, execute the following code: lessc simple.less simple.css

Less Contrast function1

This will compile the "simple.less" file. A CSS file named "simple.css" will be generated.

For example:

Less Contrast function2

The generated CSS "simple.css", has the following code:

Output:

Less Contrast function3



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