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Fabric.js toGrayscale() Method

Last Updated : 26 Mar, 2021
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The toGrayscale() method is used to convert any type of the specified color representation to it’s grayscale representation.

Syntax:

toGrayscale()

Parameters: This method does not accept any parameter.

Return Value: This method returns color representation in grayscale representation.

Example 1:

HTML




<!DOCTYPE html>
<html>
    <head>
        <!-- Adding the FabricJS library -->
        <script src=
        </script>
    </head>
      
    <body>
        <script type="text/javascript">
        // Calling the toGrayscale() function over 
        // the specified color values
        console.log(new fabric.Color("hsl(0, 100%, 50%)")
                                      .toGrayscale());
        console.log(new fabric.Color("hsla(10, 40%, 53%, 0.6)")
                                      .toGrayscale());
        </script>
    </body>
   
</html>


Output:

{"_source":[77,77,77,1]}
{"_source":[125,125,125,0.6]}

Example 2:

HTML




<!DOCTYPE html>
<html>
  
<head>
  <!-- Adding the FabricJS library -->
  <script src=
  </script>
</head>
  
<body>
    <script type="text/javascript">
    // Initializing some color values in different color format
    var A = "hex(fff00f)";
    var B = "hsl(12, 13%, 25%)";
    var C = "hsla(10, 40%, 13%, 0.6)";
    var D = "rgb(10, 40, 13)";
  
    // Calling the toGrayscale() function over 
    // the above specified color values
    console.log(new fabric.Color(A).toGrayscale());
    console.log(new fabric.Color(B).toGrayscale());
    console.log(new fabric.Color(C).toGrayscale());
    console.log(new fabric.Color(D).toGrayscale());
    </script>
  
</body>
  
</html>


Output:

{"_source":[0,0,0,1]}
{"_source":[62,62,62,1]}
{"_source":[30,30,30,0.6]}
{"_source":[28,28,28,1]}


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