RandomColor for Dart & Flutter

Generate visually appealing random colors with ease in your Dart and Flutter projects.

Interactive Demo

Table of Contents

• Features
• Installation
• Quick Start
• Usage Guide
  • Basic Usage
  • Flutter Integration
  • Advanced Options
• API Reference
• Examples
• Contributing
• License
• Acknowledgements

Features

• Generate random colors with fine-tuned control
• Specify color types, luminosity, and output formats
• Direct integration with Flutter's Color class
• Highly customizable with easy-to-use API
• Consistent results across platforms

Installation

Add this to your package's pubspec.yaml file:

dependencies:
  flutter_randomcolor: ^1.0.16

Then run:

$ flutter pub get

Quick Start

import 'package:flutter_randomcolor/flutter_randomcolor.dart';

// Generate a random color
var color = RandomColor.getColor(Options());

// Generate a Flutter Color object
Color flutterColor = RandomColor.getColorObject(Options());

Usage Guide

Basic Usage

Generate a random color with default options:

var color = RandomColor.getColor(Options());

Flutter Integration

Get a Color object for direct use in Flutter widgets:

Color widgetColor = RandomColor.getColorObject(Options(
  colorType: ColorType.blue,
  luminosity: Luminosity.light,
));

// Use in a widget
Container(
  color: widgetColor,
  child: Text('Colored Container'),
)

Advanced Options

Fine-tune your color generation:

var customColor = RandomColor.getColor(Options(
  colorType: [ColorType.red, ColorType.blue],
  luminosity: Luminosity.dark,
  format: Format.rgba,
  alpha: 0.8,
));

API Reference

RandomColor.getColor(Options options)

Returns a color based on the specified options.

RandomColor.getColorObject(Options options)

Returns a Flutter Color object based on the specified options.

Options class

• colorType: ColorType or List<ColorType>
• luminosity: Luminosity
• format: Format
• alpha: double (0.0 to 1.0)
• count: int

ColorType

random, monochrome, red, orange, yellow, green, blue, purple, pink

Luminosity

random, dark, light, bright

Format

rgba, rgb, rgbArray, hsla, hex, hsl, hsva, hsvArray, hslArray

Examples

// Bright green color in hex format
var brightGreen = RandomColor.getColor(Options(
  colorType: ColorType.green,
  luminosity: Luminosity.bright,
  format: Format.hex
));

// Array of 5 pastel colors
var pastelColors = RandomColor.getColor(Options(
  luminosity: Luminosity.light,
  count: 5
));

// Dark red or blue with 50% opacity
var transparentDark = RandomColor.getColor(Options(
  colorType: [ColorType.red, ColorType.blue],
  luminosity: Luminosity.dark,
  format: Format.rgba,
  alpha: 0.5
));

Contributing

We welcome contributions! Please see our Contributing Guide for more details.

License

This project is licensed under the MIT License - see the LICENSE file for details.

Acknowledgements

• Original JavaScript implementation by David Merfield
• Dart port maintained by DAMMAK

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Available in Other Languages

• JavaScript
• C#
• C++
• Go
• Python
• Swift
• Objective-C
• Java
• R
• Rust