https://github.com/hsluv/hsluv-go

Go implementation of HSLuv (revision 4)
https://github.com/hsluv/hsluv-go

Last synced: about 1 year ago
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Go implementation of HSLuv (revision 4)

• Host: GitHub
• URL: https://github.com/hsluv/hsluv-go
• Owner: hsluv
• License: mit
• Created: 2016-01-17T11:02:46.000Z (over 10 years ago)
• Default Branch: master
• Last Pushed: 2023-05-03T00:15:30.000Z (about 3 years ago)
• Last Synced: 2025-04-12T10:05:00.661Z (about 1 year ago)
• Language: Go
• Homepage:
• Size: 995 KB
• Stars: 31
• Watchers: 6
• Forks: 2
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.txt

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README

          
[![Build Status](https://github.com/hsluv/hsluv-go/actions/workflows/test.yml/badge.svg)](https://github.com/hsluv/hsluv-go/actions/workflows/test.yml)

Go port of HSLuv (revision 4), written by [Michael Glanznig](https://github.com/nebulon42)

More details about HSLuv at http://www.hsluv.org.

# API

**hsluv.HsluvToHex(hue, saturation, lightness)**

*hue* is a number between 0 and 360, *saturation* and *lightness* are numbers between 0 and 100. This function returns the resulting color as a hex string.

**hsluv.HsluvlToRGB(hue, saturation, lightness)**

Like above, but returns 3 numbers between 0 and 1, for the r, g, and b channel.

**hsluv.HsluvFromHex(hex)**

Takes a hex string and returns the HSLuv color as 3 numbers for hue (0-360), saturation (0-100) and lightness (0-100).

_Note_: The result can have rounding errors. For example saturation can be 100.00000000000007

**hsluv.HsluvFromRGB(red, green, blue)**

Like above, but *red*, *green* and *blue* are passed as numbers between 0 and 1.

Use **HpluvToHex**, **HpluvToRGB**, **HpluvFromHex** and **HpluvFromRGB** for the pastel variant (HPLuv).

# Testing

Run `go test`.

# Thanks

Testing was inspired by [omniscale/magnacarto](https://github.com/omniscale/magnacarto).