<commit_before># HWB Color Functions: Draft 1

*([Issue](https://github.com/sass/sass/issues/2831))*

This proposal adds a new `hwb()` color format to the `sass:color` module, along
with inspection and adjustment options for _whiteness_ and _blackness_.

## Table of Contents

* [Background](#background)
* [Summary](#summary)
  * [Design Decisions](#design-decisions)
  * [Future Designs](#future-designs)
* [Procedures](#procedures)
  * [Scaling a Number](#scaling-a-number)
* [Functions](#functions)
  * [`hwb()`](#hwb)
  * [`whiteness()`](#whiteness)
  * [`blackness()`](#blackness)
  * [`adjust()`](#adjust)
  * [`change()`](#change)
  * [`scale()`](#scale)<commit_msg>[Color 4 HWB] Fix the issue link (#2918)<commit_after># HWB Color Functions: Draft 1

*([Issue](https://github.com/sass/sass/issues/2834))*

This proposal adds a new `hwb()` color format to the `sass:color` module, along
with inspection and adjustment options for _whiteness_ and _blackness_.

## Table of Contents

* [Background](#background)
* [Summary](#summary)
  * [Design Decisions](#design-decisions)
  * [Future Designs](#future-designs)
* [Procedures](#procedures)
  * [Scaling a Number](#scaling-a-number)
* [Functions](#functions)
  * [`hwb()`](#hwb)
  * [`whiteness()`](#whiteness)
  * [`blackness()`](#blackness)
  * [`adjust()`](#adjust)
  * [`change()`](#change)
  * [`scale()`](#scale)
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