The d3.cubehelix() function in D3.js is used to construct a new Cubehelix color and returns HSL properties of the specified color taken as the parameter of the function.
Syntax:
d3.cubehelix(color);
Parameters: This function accepts single parameter color which specifies the CSS color.
Return Value: This function returns HSL properties of the specified CSS color taken as the parameter of the function.
Below programs illustrate the d3.cubehelix() function in D3.js:
Example 1:
<!DOCTYPE html> <html> <head> <title>d3.cubehelix() function </title> </head> <body> <script> // Calling the d3.cubehelix() function function // with some parameters var color1 = d3.cubehelix( "red" ); var color2 = d3.cubehelix( "green" ); var color3 = d3.cubehelix( "blue" ); // Getting the HSL properties console.log(color1); console.log(color2); console.log(color3); </script> </body> </html> |
Output:
{"h":351.8102617708421, "s":1.9488976453722686, "l":0.2999994453152424, "opacity":1} {"h":109.95916521883123, "s":1.1193720244160954, "l":0.29615736727228126, "opacity":1} {"h":236.94217167732103, "s":4.614386868039719, "l":0.10999954957200976, "opacity":1}
Example 2:
<!DOCTYPE html> <html> <head> <title>d3.cubehelix() function </title> </head> <body> <script> // Calling the d3.cubehelix() function function // without any parameters var color = d3.cubehelix(); // Getting the HSL values console.log(color); </script> </body> </html> |
Output:
{"h":null, "s":null, "l":null, "opacity":1}
Reference: https://devdocs.io/d3~5/d3-color#cubehelix