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D3.js schemePiYG[] Function
  • Last Updated : 01 Sep, 2020

The d3.schemePiYG[] function is a part of the diverging color scheme in d3.js and is used to return a HEX code color string which corresponds to the color from “PiYG” diverging color scheme.

Syntax:

d3.schemePiYG[k];

Parameters: This function accepts a single parameter as mentioned above and described below:

  • k: It is any number in the range 3 to 10.

Return Value: It returns a HEX code color string.

Below examples illustrate the d3.schemePiYG[] function in D3.js:



Example 1:

HTML




<!DOCTYPE html>
<html lang="en">
  
<head>
    <meta charset="UTF-8" />
    <meta name="viewport" path1tent="width=device-width, 
        initial-scale=1.0" />
          
    <script src=
    </script
    <script src=
    </script
    <script src=
    </script
    <script src=
    </script
</head>
  
<body>
    <h2 style="color:green;">Geeks for geeks</h2>
  
    <p>Different colors from schemePiYG are: </p>
  
    <script>
        document.write("<p><b>" 
            + d3.schemePiYG[10][0] + "</p></b>");
        document.write("<p><b>" 
            + d3.schemePiYG[10][1] + "</p></b>");
        document.write("<p><b>" 
            + d3.schemePiYG[10][2] + "</p></b>");
        document.write("<p><b>" 
            + d3.schemePiYG[10][3] + "</p></b>");
        document.write("<p><b>" 
            + d3.schemePiYG[10][4] + "</p></b>");
        document.write("<p><b>" 
            + d3.schemePiYG[10][5] + "</p></b>");
        document.write("<p><b>" 
            + d3.schemePiYG[10][6] + "</p></b>");
        document.write("<p><b>" 
            + d3.schemePiYG[10][7] + "</p></b>");
        document.write("<p><b>" 
            + d3.schemePiYG[10][8] + "</p></b>");
        document.write("<p><b>" 
            + d3.schemePiYG[10][9] + "</p></b>"); 
    </script>
</body>
  
</html>

Output:

Example 2:

HTML




<!DOCTYPE html>
<html lang="en">
  
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, 
                initial-scale=1.0">
    <!--Fetching from CDN of D3.js -->
    <script src="https://d3js.org/d3.v4.min.js">
    </script>
    </script>
    <script src=
    </script>
    <script src=
    </script>
  
    <style>
        div {
            padding: 6px;
            text-align: center;
            vertical-align: middle;
            display: flex;
            justify-content: center;
            width: fit-content;
            margin-top: 2px;
            height: 20px;
        }
    </style>
</head>
  
<body>
    <h2>D3.schemePiYG[k] </h2>
    <div class="pixel1">
        <span>d3.schemePiYG[10][0]</span>
    </div>
    <div class="pixel2">
        <span>d3.schemePiYG[10][1]</span>
    </div>
    <div class="pixel3">
        <span>d3.schemePiYG[10][2]</span>
    </div>
    <div class="pixel4">
        <span>d3.schemePiYG[10][3]</span>
    </div>
    <div class="pixel5">
        <span>d3.schemePiYG[10][4]</span>
    </div>
  
    <script>
        // creating different colors for
        // different value of k
        let color1 =
            d3.schemePiYG[10][0];
        let color2 =
            d3.schemePiYG[10][1];
        let color3 =
            d3.schemePiYG[10][2];
        let color4 =
            d3.schemePiYG[10][3];
        let color5 =
            d3.schemePiYG[10][4];
  
        // Selecting Div using query selector
        let pixel1 = document.querySelector(".pixel1");
        let pixel2 = document.querySelector(".pixel2");
        let pixel3 = document.querySelector(".pixel3");
        let pixel4 = document.querySelector(".pixel4");
        let pixel5 = document.querySelector(".pixel5");
  
        // Setting style and BG color
        // of the particular DIVs
        pixel1.style.backgroundColor = color1;
        pixel2.style.backgroundColor = color2;
        pixel3.style.backgroundColor = color3;
        pixel4.style.backgroundColor = color4;
        pixel5.style.backgroundColor = color5;
    </script>
</body>
  
</html>

Output:

full-stack-img

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