D3.js | d3.rgb() Function
The d3.rgb() function in D3.js is used to return RGB value of the specified CSS color.
Syntax:
d3.rgb(color);
Parameters: This function accepts single parameter color which is used to specify the CSS color.
Return Value: This function returns RGB value of the given CSS color.
Below programs illustrate the d3.rgb() function in D3.js:
Example 1:
<!DOCTYPE html>
<html>
<head>
<title>d3.rgb() function </title>
</head>
<body>
<script>
var color1 = d3.rgb( "red" );
var color2 = d3.rgb( "green" );
var color3 = d3.rgb( "blue" );
console.log(color1);
console.log(color2);
console.log(color3);
</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:
<!DOCTYPE html>
<html>
<head>
<title>d3.rgb() function </title>
</head>
<body>
<script>
var color = d3.rgb();
console.log(color);
</script>
</body>
</html>
|
Output:
{"r":null, "g":null, "b":null, "opacity":1}
Reference: https://devdocs.io/d3~5/d3-color#rgb
Last Updated :
29 Nov, 2019
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