D3.js interpolateYlGnBu() Function

Last Updated : 26 Aug, 2020

The d3.interpolateYlGnBu() function in d3.js is used to return an RGB string of color that corresponds to the Sequential color scheme.

Syntax:

d3.interpolateYlGnBu(t);

Parameters: The above-given function takes only one parameter which is given above and described below:

t: It is a numeric value that ranges in [0, 1].

Return Values: This function returns a string.

Below examples illustrate the d3.interpolateYlGnBu() function in D3.js:

Example 1:

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 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> 
    <script> 
        console.log(d3.interpolateYlGnBu(0.4)); 
        console.log(d3.interpolateYlGnBu(0.3)); 
        console.log(d3.interpolateYlGnBu(0.2)); 
        console.log(d3.interpolateYlGnBu(0.5)); 
        console.log(d3.interpolateYlGnBu(0.4)); 
        console.log(d3.interpolateYlGnBu(0.9)); 
        console.log(d3.interpolateYlGnBu(0.2)); 
        console.log(d3.interpolateYlGnBu(0)); 
    </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 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: 6px; 
            text-align: center; 
            vertical-align: middle; 
            display: flex; 
            justify-content: center; 
            width: 100px; 
            height: 100px; 
            float: left; 
        } 
    </style> 
</head> 
  
<body> 
    <h2>D3.interpolateYlGnBu() </h2> 
    <div class="pixel1"> 
        <span>t = 0.4</span> 
    </div> 
    <div class="pixel2"> 
        <span>t = 0.6</span> 
    </div> 
      
    <script> 
  
        // creating different colors for different 
        // Values of t is 0.4 
        let color1 = 
            d3.interpolateYlGnBu(0.4); 
        // Values of t is 0.6 
        let color2 = 
            d3.interpolateYlGnBu(0.6); 
  
        // Selecting Div using query selector 
        let pixel1 = document.querySelector(".pixel1"); 
        let pixel2 = document.querySelector(".pixel2"); 
  
        // Setting style and BG color of 
        // the particular DIVs 
        pixel1.style.backgroundColor = color1; 
        pixel2.style.backgroundColor = color2; 
    </script> 
</body> 
  
</html> 