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@csstools/postcss-hwb-function (1.0.2)

Published 2026-02-24 13:49:03 +00:00 by atheaadmin

Installation

Setup this registry in your project .npmrc file:

@csstools:registry=

To install the package using npm, run the following command:

npm install @csstools/postcss-hwb-function@1.0.2

or add it to the package.json file:

"@csstools/postcss-hwb-function": "1.0.2"

For more information on the npm registry, see the documentation.

About this package

PostCSS HWB Function

PostCSS HWB Function lets you use hwb color functions in CSS, following the CSS Color specification.

a {
	color: hwb(194 0% 0%);
	color: hwb(194 0% 0% / .5);
}

/* becomes */

a {
	color: rgb(0, 195, 255);
	color: rgba(0, 195, 255, .5);
}

Usage

Add PostCSS HWB Function to your project:

npm install postcss @csstools/postcss-hwb-function --save-dev

Use it as a PostCSS plugin:

const postcss = require('postcss');
const postcssHWBFunction = require('@csstools/postcss-hwb-function');

postcss([
  postcssHWBFunction(/* pluginOptions */)
]).process(YOUR_CSS /*, processOptions */);

PostCSS HWB Function runs in all Node environments, with special instructions for:

Node	PostCSS CLI	Webpack	Create React App	Gulp	Grunt

Options

preserve

The preserve option determines whether the original functional color notation is preserved. By default, it is not preserved.

postcssHWBFunction({ preserve: true })

a {
	color: hwb(194 0% 0%);
	color: hwb(194 0% 0% / .5);
}

/* becomes */

a {
	color: rgb(0, 195, 255);
	color: hwb(194 0% 0%);
	color: rgba(0, 195, 255, .5);
	color: hwb(194 0% 0% / .5);
}

Dependencies

Dependencies

ID	Version
postcss-value-parser	^4.2.0

Peer Dependencies

ID	Version
postcss	^8.2

Keywords

color colors comma css design functional hsl hsla hwb notation postcss postcss-plugin rgb rgba space syntax

Details

npm

2026-02-24 13:49:03 +00:00

1

Jonathan Neal

Project Site

CC0-1.0

latest

7.6 KiB

Assets (1)

postcss-hwb-function-1.0.2.tgz 7.6 KiB

Versions (1) View all

1.0.2 2026-02-24