D3.js | color.rgb() Function Last Updated : 17 Aug, 2020 Summarize Comments Improve Suggest changes Share Like Article Like Report The color.rgb() function in D3.js is used to return the RGB equivalent of the specified color. Syntax: color.rgb() Parameters: This function does not accept any parameters. Return Value: This function returns the RGB equivalent of the specified color. Below programs illustrate the color.rgb() function in D3.js: Example 1: javascript <!DOCTYPE html> <html> <head> <title>color.rgb() function</title> <script src='https://d3js.org/d3.v4.min.js'></script> </head> <body> <script> // Calling the d3.color() function function // with some parameters var color1 = d3.color("red"); var color2 = d3.color("green"); var color3 = d3.color("blue"); // Calling the color.rgb() function var A = color1.rgb(); var B = color2.rgb(); var C = color3.rgb(); // Getting the RGB equivalent of the specified color console.log(A); console.log(B); console.log(C); </script> </body> </html> Output: {"r":255, "g":0, "b":0, "opacity":1} {"r":0, "g":128, "b":0, "opacity":1} {"r":0, "g":0, "b":255, "opacity":1} Example 2: javascript <!DOCTYPE html> <html> <head> <title>color.rgb() function</title> <script src='https://d3js.org/d3.v4.min.js'></script> </head> <body> <script> // Calling the d3.rgb() function // without any parameters var color1 = d3.rgb(); // Calling the color.rgb() function var A = color1.rgb(); // Getting the RGB equivalent of the specified color console.log(A); </script> </body> </html> Output: {"r":null, "g":null, "b":null, "opacity":1} Reference: https://devdocs.io/d3~5/d3-color#color_rgb Comment More infoAdvertise with us Next Article D3.js | color.rgb() Function K Kanchan_Ray Follow Improve Article Tags : JavaScript Web Technologies D3.js Similar Reads JavaScript Tutorial JavaScript is a programming language used to create dynamic content for websites. 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