Use oklab() and oklch() color functions in CSS. 

@csstools/postcss-oklab-function

Use oklab() and oklch() color functions in CSS

jonathantneal

alaguna

romainmenke

postcss-oklab-function

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		# Changes to PostCSS OKLab Function

		### 5.0.0
		### 5.0.1

		_January 14, 2026_
		_January 25, 2026_

		- Updated: Support for Node `20.19.0` or later (major).
		- Removed: `commonjs` API. In supported Node versions `require(esm)` will work without needing to make code changes.
		- Updated [`@csstools/css-tokenizer`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer) to [`4.0.0`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer/CHANGELOG.md#400) (major)
		- Updated [`@csstools/utilities`](https://github.com/csstools/postcss-plugins/tree/main/packages/utilities) to [`3.0.0`](https://github.com/csstools/postcss-plugins/tree/main/packages/utilities/CHANGELOG.md#300) (major)
		- Updated [`@csstools/css-parser-algorithms`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms) to [`4.0.0`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms/CHANGELOG.md#400) (major)
		- Updated [`@csstools/postcss-progressive-custom-properties`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties) to [`5.0.0`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties/CHANGELOG.md#500) (major)
		- Updated [`@csstools/css-color-parser`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-color-parser) to [`4.0.0`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-color-parser/CHANGELOG.md#400) (major)
		- Updated [`@csstools/css-color-parser`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-color-parser) to [`4.0.1`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-color-parser/CHANGELOG.md#401) (patch)

		[Full CHANGELOG](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-oklab-function/CHANGELOG.md)

		{
		"name": "@csstools/postcss-oklab-function",
		"description": "Use oklab() and oklch() color functions in CSS",
		"version": "5.0.0",
		"version": "5.0.1",
		"author": "Jonathan Neal <jonathantneal@hotmail.com>",
		@@ -34,3 +34,3 @@ "license": "MIT-0",
		"dependencies": {
		"@csstools/css-color-parser": "^4.0.0",
		"@csstools/css-color-parser": "^4.0.1",
		"@csstools/css-parser-algorithms": "^4.0.0",
		@@ -37,0 +37,0 @@ "@csstools/css-tokenizer": "^4.0.0",

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