How to Change the Color of a Checkbox

.form-check {
  position: relative;
}

input[type=checkbox] {
  width: 20px;
  height: 20px;
}

input[type=checkbox]:checked+label::before {
  content: "";
  display: block;
  position: absolute;
  text-align: center;
  height: 20px;
  width: 20px;
  left: 0;
  top: 5px;
  background-color: #FA9E57;
  font-family: "Montserrat";
  border-radius: 2px;
  border: 1px solid rgb(150 150 150 / 30%);
}

input[type=checkbox]:checked+label::after {
  content: url('data:image/svg+xml; utf8, <svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" fill="white" viewBox="0 0 24 24"><path d="M20.285 2l-11.285 11.567-5.286-5.011-3.714 3.716 9 8.728 15-15.285z"/></svg>');
  display: block;
  position: absolute;
  left: 3px;
  top: 3px;
}

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css" integrity="sha384-B0vP5xmATw1+K9KRQjQERJvTumQW0nPEzvF6L/Z6nronJ3oUOFUFpCjEUQouq2+l" crossorigin="anonymous">
<link rel="preconnect" href="https://fonts.gstatic.com">
<link href="https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600&display=swap" rel="stylesheet">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<link rel="stylesheet" href="register.css">

<div class="form-group my-4">
   <div class="form-check">
     <input class="form-check-input" type="checkbox" id="privacy">
     <label class="form-check-label ml-3" for="privacy">
      Agree privacy
     </label>
   </div>
</div>

How to style a checkbox using CSS

UPDATE:

The below answer references the state of things before widespread availability of CSS 3. In modern browsers (including Internet Explorer 9 and later) it is more straightforward to create checkbox replacements with your preferred styling, without using JavaScript.

Here are some useful links:

• Creating Custom Form Checkboxes with Just CSS
• Easy CSS Checkbox Generator
• Stuff You Can Do With The Checkbox Hack
• Implementing Custom Checkboxes and Radio Buttons with CSS3
• How to Style a Checkbox With CSS

It is worth noting that the fundamental issue has not changed. You still can't apply styles (borders, etc.) directly to the checkbox element and have those styles affect the display of the HTML checkbox. What has changed, however, is that it's now possible to hide the actual checkbox and replace it with a styled element of your own, using nothing but CSS. In particular, because CSS now has a widely supported :checked selector, you can make your replacement correctly reflect the checked status of the box.

OLDER ANSWER

Here's a useful article about styling checkboxes. Basically, that writer found that it varies tremendously from browser to browser, and that many browsers always display the default checkbox no matter how you style it. So there really isn't an easy way.

It's not hard to imagine a workaround where you would use JavaScript to overlay an image on the checkbox and have clicks on that image cause the real checkbox to be checked. Users without JavaScript would see the default checkbox.

Edited to add: here's a nice script that does this for you; it hides the real checkbox element, replaces it with a styled span, and redirects the click events.

How to change checkbox color in angular

you can try like below.

html

<div class="checkbox">
  <input type="checkbox" disabled="disabled" />
  <label>Disabled</label>
</div>

<br />

<div class="checkbox">
  <input type="checkbox" />
  <label>Abled</label>
</div>

css

.checkbox {
  position: relative;
}

input[type='checkbox'] {
  cursor: pointer;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0 !important;
  outline: 0;
  z-index: 3;
  width: 17px;
  height: 17px;
}

input[type='checkbox'] + label {
  padding-left: 1.85714em;
}

input[type='checkbox']:disabled + label::before {
  background: #7e7eda;
}
input[type='checkbox']:disabled + label:hover::before {
  background: gray;
  border: 1px solid #d4d4d5;
}

input[type='checkbox'] + label:before {
  position: absolute;
  top: 0;
  left: 0;
  width: 17px;
  height: 17px;
  content: '';
  background: #fff;
  border-radius: 0.21428571rem;
  -webkit-transition: border 0.1s ease, opacity 0.1s ease;
  transition: border 0.1s ease, opacity 0.1s ease;
  border: 1px solid #d4d4d5;
}

input[type='checkbox']:checked ~ label:before {
  background: #fff;
  border-color: rgba(34, 36, 38, 0.35);
}

input[type='checkbox']:checked ~ label:after {
  content: '✔';
  position: absolute;
  font-size: 14px;
  top: 0;
  left: 0;
  width: 17px;
  height: 17px;
  text-align: center;
  opacity: 1;
  color: rgba(0, 0, 0, 0.87);
}

You can check Working Demo

Let me know if you face any issue.

How to change the color of a CheckBox?

If your minSdkVersion is 21+ use android:buttonTint attribute to update the color of a checkbox:

<CheckBox
  ...
  android:buttonTint="@color/tint_color" />

In projects that use AppCompat library and support Android versions below 21 you can use a compat version of the buttonTint attribute:

<CheckBox
  ...
  app:buttonTint="@color/tint_color" />

In this case if you want to subclass a CheckBox don't forget to use AppCompatCheckBox instead.

PREVIOUS ANSWER:

You can change CheckBoxs drawable using android:button="@drawable/your_check_drawable" attribute.

Flutter - change fill color of datatable checkbox

Here is an attempt to recreate the checkbox theme:

CheckboxThemeData(
  side: MaterialStateBorderSide.resolveWith(
      (_) => const BorderSide(width: 1, color: Colors.blue)),
  fillColor: MaterialStateProperty.all(Colors.red),
  checkColor: MaterialStateProperty.all(Colors.white),
),

Try it out using:

import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({Key? key}) : super(key: key);
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  bool checked = false;

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData.light().copyWith(
        checkboxTheme: CheckboxThemeData(
          side: MaterialStateBorderSide.resolveWith(
              (_) => const BorderSide(width: 1, color: Colors.blue)),
          fillColor: MaterialStateProperty.all(Colors.red),
          checkColor: MaterialStateProperty.all(Colors.white),
        ),
      ),
      home: Scaffold(
        body: Center(
          child: Checkbox(
            value: checked,
            onChanged: (b) {
              setState(() {
                checked = b ?? false;
              });
            },
          ),
        ),
      ),
    );
  }
}

Edit: After doing some digging, I found that the DataTable uses ThemeData.colorScheme.primary as the fill color.

Try this:

import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({Key? key}) : super(key: key);
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  bool checked = false;

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData.light().copyWith(
        colorScheme: ThemeData.light().colorScheme.copyWith(
              onPrimary: Colors.white, // Color for checkmark in datatable
              primary: Colors.red, // Color used for checkbox fill in datatable
            ),
        checkboxTheme: CheckboxThemeData(
          side: MaterialStateBorderSide.resolveWith(
              (_) => const BorderSide(width: 1, color: Colors.blue)),
          fillColor: MaterialStateProperty.all(Colors.red),
          checkColor: MaterialStateProperty.all(Colors.white),
        ),
      ),
      home: Scaffold(
        body: DataTable(
          columns: const [
            DataColumn(label: Text('Checkbox')),
          ],
          rows: [
            DataRow(
              selected: checked,
              onSelectChanged: (b) {
                setState(() {
                  checked = b ?? false;
                });
              },
              cells: const [
                DataCell(Text('hi')),
              ],
            ),
          ],
        ),
      ),
    );
  }
}

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