rgba-to-hex

A lightweight utility to convert RGBA color strings into HEX format (with optional alpha).

📦 Installation

npm install rgba-to-hex

Or if you're using yarn:

yarn add rgba-t0-hex

🔧 Usage

const rgbaToHex = require('rgba-to-hex');

const hexColor = rgbaToHex('rgba(255, 99, 71, 0.5)');
console.log(hexColor); // Output: #ff634780

📘 API

rgbaToHex(rgbaString)

Parameters:

• rgbaString (string): A valid CSS rgba() string. For example, 'rgba(255, 255, 255, 0.3)'.

Returns:

• A hex string (e.g., #ffffff4d for semi-transparent white). If the alpha value is 1, the returned hex will not include the alpha component.

Throws:

• Error if RGB values are not between 0 and 255.

❗ Examples

rgbaToHex('rgba(255, 0, 0, 1)');      // '#ff0000'
rgbaToHex('rgba(255, 0, 0, 0.5)');    // '#ff000080'
rgbaToHex('rgba(0, 128, 255, 0.25)'); // '#0080ff40'

Contributing

Contributions are welcome! Please open an issue or submit a pull request on GitHub.

License

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