D3.js color.brighter() Function
Last Updated :
28 Jul, 2020
The color.brighter() function of D3.js is used to make a copy of the color with some extra brightness or darkness in the original color.
Syntax:
color.brighter(k)
Parameter: This function accepts only one parameter k is the amount of brightness required in the original color. It is the Integer value.
Return Values: It returns the object.
Example 1: When the value of k is not given
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta
name="viewport"
content="width=device-width,
initial-scale=1.0"/>
<title>D3.js color.brighter() Function</title>
</head>
<style>
.box {
height: 100px;
width: 100px;
}
.box1 {
height: 100px;
width: 100px;
}
</style>
<body>
Color without color.brighter() property
<div class="box"></div>
Color with color.brighter() property
<div class="box1"></div>
<script type="text/javascript" src=
</script>
<script>
let box = document.querySelector(".box");
let box1 = document.querySelector(".box1");
var color = d3.color("green");
box.style.backgroundColor =
`rgb(${color.r},${color.g},${color.b})`;
var color = color.brighter();
box1.style.backgroundColor =
`rgb(${color.r},${color.g},${color.b})`;
</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" />
<title>D3.js color.brighter() Function</title>
</head>
<style>
.box {
height: 100px;
width: 100px;
}
.box1 {
height: 100px;
width: 100px;
}
</style>
<body>
Color without color.brighter() property
<div class="box"></div>
Color with color.brighter(10) property
<div class="box1"></div>
<script type="text/javascript" src=
</script>
<script>
let box = document.querySelector(".box");
let box1 = document.querySelector(".box1");
var color = d3.color("green");
box.style.backgroundColor =
`rgb(${color.r},${color.g},${color.b})`;
var color = color.brighter(10);
box1.style.backgroundColor =
`rgb(${color.r},${color.g},${color.b})`;
</script>
</body>
</html>
|
Output:
Example 3: When value of k < 0
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport"
content="width=device-width,
initial-scale=1.0" />
<title>D3.js color.brighter() Function</title>
</head>
<style>
.box {
height: 100px;
width: 100px;
}
.box1 {
height: 100px;
width: 100px;
}
</style>
<body>
Color without color.brighter() property
<div class="box"></div>
Color with color.brighter(-10) property
<div class="box1"></div>
<script type="text/javascript" src=
</script>
<script>
let box = document.querySelector(".box");
let box1 = document.querySelector(".box1");
var color = d3.color("green");
box.style.backgroundColor =
`rgb(${color.r},${color.g},${color.b})`;
var color = color.brighter(-10);
box1.style.backgroundColor =
`rgb(${color.r},${color.g},${color.b})`;
</script>
</body>
</html>
|
Output:
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