Less luminance()

The Less luminance function is used to calculate the value of luma without gamma correction. The luminance function was named luma before version v1.7.0

Luminance color channel Function Example

Let's take an example to demonstrate the usage of luminance color channel 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

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

For example:

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

Output: