D3.js schemeDark2 Method

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The d3.schemeDark2 method in D3.js is used to return an array of eight categorical colors which is returned as RGB hexadecimal strings.

Syntax:

d3.schemeDark2

Parameters: This function does not accept any parameter.

Return Value: It returns an RGB hexadecimal string.

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= " 
         https://d3js.org/d3.v4.min.js"> 
    </script>  
    <script src= " 
         https://d3js.org/d3-color.v1.min.js"> 
    </script>  
    <script src= " 
    https://d3js.org/d3-interpolate.v1.min.js"> 
    </script>  
    <script src= " 
    https://d3js.org/d3-scale-chromatic.v1.min.js"> 
    </script>  
</head>  
  
<body>  
    <center> 
    <h1 style="color:green;">GeeksForGeeks</h1> 
      
    <h3>D3.js schemeDark2 Method</h3> 
      
    <script>  
        document.write(d3.schemeDark2[0]+"<br>");  
        document.write(d3.schemeDark2[1]+"<br>"); 
        document.write(d3.schemeDark2[2]+"<br>"); 
        document.write(d3.schemeDark2[3]+"<br>"); 
        document.write(d3.schemeDark2[4]+"<br>"); 
        document.write(d3.schemeDark2[5]+"<br>"); 
        document.write(d3.schemeDark2[6]+"<br>"); 
        document.write(d3.schemeDark2[7]+"<br>"); 
    </script>  
    </center> 
</body>  
</html>

Output:

Example 2:

HTML

<!DOCTYPE html>  
<html lang="en">  
<head>  
    <meta charset="UTF-8" />  
    <meta name="viewport"
        path1tent="width=device-width,   
        initial-scale=1.0"/>  
    
    <script src= " 
        https://d3js.org/d3.v4.min.js"> 
    </script>  
    <script src= " 
        https://d3js.org/d3-color.v1.min.js"> 
    </script>  
    <script src= " 
    https://d3js.org/d3-interpolate.v1.min.js"> 
    </script>  
    <script src= " 
    https://d3js.org/d3-scale-chromatic.v1.min.js"> 
    </script>  
   
    <style>  
        div {  
            padding: 3px;  
            width: fit-content;  
            height: 20px; 
            width: 250px; 
        }  
    </style> 
</head> 
   
<body>  
    <center> 
    <h1 style="color:green;">GeeksForGeeks</h1> 
      
    <h3>D3.js schemeDark2 Method</h3> 
      
    <div class="b1">  
        <span>  
            D3.schemeDark2[0]  
        </span>  
    </div>  
    <div class="b2">  
        <span>  
            D3.schemeDark2[1]    
        </span>  
    </div>  
    <div class="b3">  
        <span>  
            D3.schemeDark2[2]  
        </span>  
    </div>  
    <div class="b4">  
        <span>  
            D3.schemeDark2[3]   
        </span>  
    </div>  
    <div class="b5">  
        <span>  
            D3.schemeDark2[4]  
        </span>  
    </div>  
    <div class="b6">  
        <span>  
            D3.schemeDark2[5]   
        </span>  
    </div>  
    <div class="b7">  
        <span>  
            D3.schemeDark2[6]   
        </span>  
    </div>  
    <div class="b8">  
        <span>  
            D3.schemeDark2[7]  
        </span>  
    </div>  
    <script>  
        // Array of colors is given  
        let color1 = d3.schemeDark2[0];  
        let color2 = d3.schemeDark2[1];  
        let color3 = d3.schemeDark2[2];  
        let color4 = d3.schemeDark2[3];  
        let color5 = d3.schemeDark2[4];  
        let color6 = d3.schemeDark2[5]; 
        let color7 = d3.schemeDark2[6];  
        let color8 = d3.schemeDark2[7]; 
  
        let b1 = document.querySelector(".b1");  
        let b2 = document.querySelector(".b2");  
        let b3 = document.querySelector(".b3");  
        let b4 = document.querySelector(".b4");  
        let b5 = document.querySelector(".b5");  
        let b6 = document.querySelector(".b6");  
        let b7 = document.querySelector(".b7");  
        let b8 = document.querySelector(".b8");   
          
        b1.style.backgroundColor = color1;  
        b2.style.backgroundColor = color2; 
        b3.style.backgroundColor = color3;  
        b4.style.backgroundColor = color4; 
        b5.style.backgroundColor = color5;  
        b6.style.backgroundColor = color6; 
        b7.style.backgroundColor = color7; 
        b8.style.backgroundColor = color8;  
          
    </script>  
    </center> 
</body>  
</html>

Output:

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