The d3.schemeBlues[] function in D3.js is used to return a particular color from the “Blues” sequential color scheme which is returned as a HEX string.
Syntax:
d3.schemeBlues[k]
Parameters: This function accepts a single parameter as mentioned above and described below:
- k: “k” is a number.
Return Values: It returns a HEX string.
Below given are a few examples of the function given above.
Example1:
<!DOCTYPE html> < html lang = "en" >
< head >
< meta charset = "UTF-8" />
< meta name = "viewport"
path1tent=" width = device -width,
initial-scale = 1 .0"/>
< title >D3.js schemeBlues[] Function</ title >
</ head >
< body >
< center >
< h1 style = "color:green;" >GeeksForGeeks</ h1 >
< h3 >D3.js schemeBlues[] Function</ h3 >
< script >
document.write(d3.schemeBlues[6][0]+"< br >");
document.write(d3.schemeBlues[6][1]+"< br >");
document.write(d3.schemeBlues[6][2]+"< br >");
document.write(d3.schemeBlues[6][3]+"< br >");
document.write(d3.schemeBlues[6][4]+"< br >");
document.write(d3.schemeBlues[6][5]);
</ script >
</ center >
</ body >
</ html >
|
Output:
Example2:
<!DOCTYPE html> < html lang = "en" >
< head >
< meta charset = "UTF-8" />
< meta name = "viewport"
path1tent=" width = device -width,
initial-scale = 1 .0"/>
< title >D3.js schemeBlues[] Function</ title >
</ head >
< style >
div {
padding: 10px;
width: fit-content;
height: 20px;
}
</ style >
< body >
< center >
< h1 style = "color:green;" >GeeksForGeeks</ h1 >
< h3 >D3.js schemeBlues[] Function</ h3 >
< div class = "b1" >
< span >
D3.schemeBlues[6][0]
</ span >
</ div >
< div class = "b2" >
< span >
D3.schemeBlues[6][1]
</ span >
</ div >
< div class = "b3" >
< span >
D3.schemeBlues[6][2]
</ span >
</ div >
< div class = "b4" >
< span >
D3.schemeBlues[6][3]
</ span >
</ div >
< div class = "b5" >
< span >
D3.schemeBlues[6][4]
</ span >
</ div >
< div class = "b6" >
< span >
D3.schemeBlues[6][5]
</ span >
</ div >
< script >
// Array of colors is given
let color1 = d3.schemeBlues[6][0];
let color2 = d3.schemeBlues[6][1];
let color3 = d3.schemeBlues[6][2];
let color4 = d3.schemeBlues[6][3];
let color5 = d3.schemeBlues[6][4];
let color6 = d3.schemeBlues[6][5];
let b1 = document.querySelector(".b1");
let b2 = document.querySelector(".b2");
let b3 = document.querySelector(".b3");
let b4 = document.querySelector(".b4");
let b5 = document.querySelector(".b5");
let b6 = document.querySelector(".b6");
b1.style.backgroundColor = color1;
b2.style.backgroundColor = color2;
b3.style.backgroundColor = color3;
b4.style.backgroundColor = color4;
b5.style.backgroundColor = color5;
b6.style.backgroundColor = color6;
</ script >
</ center >
</ body >
</ html >
|
Output: