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D3.js | color.rgb() Function

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The color.rgb() function in D3.js is used to return the RGB equivalent of the specified color.

Syntax:

color.rgb()

Parameters: This function does not accept any parameters.

Return Value: This function returns the RGB equivalent of the specified color.

Below programs illustrate the color.rgb() function in D3.js:

Example 1:




<!DOCTYPE html>
<html>
  
<head>
    <title>color.rgb() function</title>
  
    <script src='https://d3js.org/d3.v4.min.js'></script>
</head>
  
<body>
    <script>
          
        // Calling the d3.color() function function
        // with some parameters
        var color1 = d3.color("red");
        var color2 = d3.color("green");
        var color3 = d3.color("blue");
          
        // Calling the color.rgb() function
        var A = color1.rgb();
        var B = color2.rgb();
        var C = color3.rgb();
          
        // Getting the RGB equivalent of the specified color
        console.log(A);
        console.log(B);
        console.log(C);
    </script>
</body>
  
</html>


Output:

{"r":255, "g":0, "b":0, "opacity":1}
{"r":0, "g":128, "b":0, "opacity":1}
{"r":0, "g":0, "b":255, "opacity":1}

Example 2:




<!DOCTYPE html>
<html>
  
<head>
    <title>color.rgb() function</title>
  
    <script src='https://d3js.org/d3.v4.min.js'></script>
</head>
  
<body>
    <script>
          
        // Calling the d3.rgb() function
        // without any parameters
        var color1 = d3.rgb();
          
        // Calling the color.rgb() function
        var A = color1.rgb();
          
        // Getting the RGB equivalent of the specified color
        console.log(A);
    </script>
</body>
  
</html>


Output:

{"r":null, "g":null, "b":null, "opacity":1}

Reference: https://devdocs.io/d3~5/d3-color#color_rgb



Last Updated : 17 Aug, 2020
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