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D3.js interpolateGreens() Function

Last Updated : 18 Aug, 2020
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The d3.interpolateGreens() function in d3.js is used to return the color corresponding to the sequential color scheme of “Greens”. This function is used to return the different shades of green color.

Syntax:

d3.interpolateGreens(t);

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

  • t: It is any number in the range 0 to 1.

Return Values: This function returns an RGB string.

Below given are a few examples of the function given above.

Example 1:




<!DOCTYPE html> 
<html lang="en"
<head
<meta charset="UTF-8"
<meta name="viewport"
        content="width=device-width, 
                initial-scale=1.0"> 
<title>Document</title
</head
<style
</style
<body>
<!--Fetching from CDN of D3.js -->
  <script src
  </script
  <script src=
  </script>
  <script src=
  </script>
  <script src=
  </script>
  <script
    console.log(d3.interpolateGreens(0));
    console.log(d3.interpolateGreens(0.4));
    console.log(d3.interpolateGreens(0.2));
    console.log(d3.interpolateGreens(0.25));
    console.log(d3.interpolateGreens(0.54));
    console.log(d3.interpolateGreens(0.85));
    console.log(d3.interpolateGreens(2));
    console.log(d3.interpolateGreens(1));
  </script
</body
</html>


Output:

Example 2:




<!DOCTYPE html> 
<html lang="en"
<head
<meta charset="UTF-8"
<meta name="viewport"
        content="width=device-width, 
                initial-scale=1.0"> 
<title>Document</title
</head
<style
div{ 
  padding:6px;
  text-align: center;
  vertical-align: middle;
  display: flex;
  justify-content: center;
  width: 90px; 
  height: 50px; 
  float: left;
</style
<body
  <h2>D3.interpolateGreens() </h2>
<div class="box1"
  <span>
  </span>
</div
<div class="box2"
  <span
  </span>
</div
<div class="box3"
  <span
  </span>
</div
<div class="box4"
  <span
  </span>
</div
<div class="box5"
  <span
  </span>
</div
<!--Fetching from CDN of D3.js -->
  <script src
  </script
  <script src=
  </script>
  <script src=
  </script>
  <script src=
  </script>
  <script
    // creating different colors for different
    // Values of t as 0.1, 0.2...
    let color1= 
    d3.interpolateGreens(0.1); 
    let color2= 
    d3.interpolateGreens(0.2); 
      let color3= 
    d3.interpolateGreens(0.3); 
      let color4= 
    d3.interpolateGreens(0.4); 
      let color5= 
    d3.interpolateGreens(0.5);
   
    // Selecting Div using query selector
    let box1=document.querySelector(".box1"); 
    let box2=document.querySelector(".box2"); 
    let box3=document.querySelector(".box3"); 
    let box4=document.querySelector(".box4"); 
    let box5=document.querySelector(".box5"); 
   
    // Setting style and BG color of the particular DIVs
    box1.style.backgroundColor=color1; 
    box2.style.backgroundColor=color2; 
    box3.style.backgroundColor=color3; 
    box4.style.backgroundColor=color4; 
    box5.style.backgroundColor=color5; 
  </script
</body
</html>


Output:



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