How to create Hex color generator using HTML CSS and JavaScript ?

Last Updated : 15 May, 2023

Hex color is a six-digit code representing the amount of red, green, and blue that makes up the color. The hex color generator gives the hex code of the selected color.

Approach:

To select a color, we will use <input type=”color”> which creates a color picker.
Get the value returned by the color picker. (Color picker returns hex value)
Set the color as the background and display the hex code.

Example: In this example, we will use the above approach for generating hex color.

HTML

<!DOCTYPE html>
<html>
<head>
    <title>Hex color generator</title>
    <style>
        body {
            margin: 0;
            padding: 0;
            display: grid;
            place-items: center;
            height: 100vh;
            font-size: 20px;
        }     
        .main {
            height: 400px;
            width: 250px;
            background: #3A3A38;
            border-radius: 10px;
            display: grid;
            place-items: center;
            color: #fff;
            font-family: verdana;
            border-radius: 15px;
        }       
        #colorPicker {
            background-color: none;
            outline: none;
            border: none;
            height: 40px;
            width: 60px;
            cursor: pointer;
        }       
        #box {
            outline: none;
            border: 2px solid #333;
            border-radius: 50px;
            height: 40px;
            width: 120px;
            padding: 0 10px;
        }
    </style>
</head>
<body>
    <h1>Hex Color Generator</h1>
    <div class="main">
        <!-- To select the color -->
        Color Picker: <input type="color"
            id="colorPicker" value="#6a5acd">
 
        <!-- To display hex code of the color -->
        Hex Code: <input type="text" id="box">
    </div>
    <script>
        function myColor() {
            // Get the value return by color picker
            var color = document.getElementById('colorPicker').value;
            // Set the color as background
            document.body.style.backgroundColor = color;
 
            // Take the hex code
            document.getElementById('box').value = color;
        }
        // When user clicks over color picker,
        // myColor() function is called
        document.getElementById('colorPicker')
            .addEventListener('input', myColor);
    </script>
</body>
</html>