# Changes to Color Helpers

### 4.1.0

_March 31, 2024_

- Add `contrast_ratio_wcag_2_1` function

### 4.0.0

_December 15, 2023_

- Remove barrel files
- Fix type definitions
- Use higher precision color conversion matrices.

### 3.0.2

_September 2, 2023_

- Undo the changes from `3.0.1`.

[Full CHANGELOG](https://github.com/csstools/postcss-plugins/tree/main/packages/color-helpers/CHANGELOG.md)