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> </script> <script src= </script> <script src= </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> <script src= </script> <script src= </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> |
Output:
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