For changing the color of insertion caret, CSS caret-color property is used.
Example
The following examples illustrate the CSS caret-color property.
<!DOCTYPE html>
<html>
<head>
<style>
form {
padding: 2%;
margin: 2%;
text-align: center;
}
form:focus-within {
box-shadow: 0 0 10px rgba(0,0,0,0.6);
background-color: beige;
}
input {
font-size: 3em;
caret-color: chartreuse;
margin: 2%;
}
</style>
</head>
<body>
<form>
<input value="Check the caret color!" />
<button>Hit!</button>
</form>
</body>
</html>Output
This will produce the following result −

Example
<!DOCTYPE html>
<html>
<head>
<style>
form {
padding: 2%;
margin: 2%;
background-color: thistle;
}
form:focus-within {
box-shadow: 0 0 10px rgba(0,0,0,0.6);
}
textarea {
caret-color: transparent;
}
</style>
</head>
<body>
<form>
<input type="radio" />1
<input type="radio" />2
<textarea placeholder="Invisible"></textarea>
</form>
</body>
</html>Output
This will produce the following result −
