Add Nord dataset

Author: waacton

README.md

@@ -730,6 +730,7 @@ Commonly used sets of colours:
 - [CSS specification](https://www.w3.org/TR/css-color-4/#named-colors) named colours
 - [xkcd](https://xkcd.com/color/rgb/) colour survey results
 - [Macbeth ColorChecker](https://en.wikipedia.org/wiki/ColorChecker) colour rendition chart
+- [Nord](https://www.nordtheme.com/) theme colours
 
 Perceptually uniform colourmaps / palettes:
 - [Viridis, Plasma, Inferno & Magma](https://bids.github.io/colormap/) (sequential)

Unicolour.Datasets/Nord.cs

@@ -0,0 +1,35 @@
+namespace Wacton.Unicolour.Datasets;
+
+// https://www.nordtheme.com/
+public static class Nord
+{
+    private static readonly Configuration Config = new(RgbConfiguration.StandardRgb, XyzConfiguration.D65);
+
+    public static readonly Unicolour Nord0 = new(Config, "#2e3440");
+    public static readonly Unicolour Nord1 = new(Config, "#3b4252");
+    public static readonly Unicolour Nord2 = new(Config, "#434c5e");
+    public static readonly Unicolour Nord3 = new(Config, "#4c566a");
+    public static readonly Unicolour Nord4 = new(Config, "#d8dee9");
+    public static readonly Unicolour Nord5 = new(Config, "#e5e9f0");
+    public static readonly Unicolour Nord6 = new(Config, "#eceff4");
+    public static readonly Unicolour Nord7 = new(Config, "#8fbcbb");
+    public static readonly Unicolour Nord8 = new(Config, "#88c0d0");
+    public static readonly Unicolour Nord9 = new(Config, "#81a1c1");
+    public static readonly Unicolour Nord10 = new(Config, "#5e81ac");
+    public static readonly Unicolour Nord11 = new(Config, "#bf616a");
+    public static readonly Unicolour Nord12 = new(Config, "#d08770");
+    public static readonly Unicolour Nord13 = new(Config, "#ebcb8b");
+    public static readonly Unicolour Nord14 = new(Config, "#a3be8c");
+    public static readonly Unicolour Nord15 = new(Config, "#b48ead");
+
+    public static readonly List<Unicolour> PolarNight = new() { Nord0, Nord1, Nord2, Nord3 };
+    public static readonly List<Unicolour> SnowStorm = new() { Nord4, Nord5, Nord6 };
+    public static readonly List<Unicolour> Frost = new() { Nord7, Nord8, Nord9, Nord10 };
+    public static readonly List<Unicolour> Aurora = new() { Nord11, Nord12, Nord13, Nord14, Nord15 };
+    
+    public static IEnumerable<Unicolour> All => new List<Unicolour>()
+        .Concat(PolarNight)
+        .Concat(SnowStorm)
+        .Concat(Frost)
+        .Concat(Aurora);
+}

Unicolour.Datasets/Unicolour.Datasets.csproj

@@ -16,7 +16,7 @@
         <PackageIcon>Resources\Unicolour.Datasets.png</PackageIcon>
         <RepositoryUrl>https://github.com/waacton/Unicolour</RepositoryUrl>
         <PackageTags>unicolour colour color colour-data color-data colour-dataset color-dataset colormap colormaps colourmap colourmaps</PackageTags>
-        <PackageReleaseNotes>Support YbrConfiguration</PackageReleaseNotes>
+        <PackageReleaseNotes>Add Nord dataset</PackageReleaseNotes>
     </PropertyGroup>
 
     <ItemGroup>

Unicolour.Readme/README.md

@@ -730,6 +730,7 @@ Commonly used sets of colours:
 - [CSS specification](https://www.w3.org/TR/css-color-4/#named-colors) named colours
 - [xkcd](https://xkcd.com/color/rgb/) colour survey results
 - [Macbeth ColorChecker](https://en.wikipedia.org/wiki/ColorChecker) colour rendition chart
+- [Nord](https://www.nordtheme.com/) theme colours
 
 Perceptually uniform colourmaps / palettes:
 - [Viridis, Plasma, Inferno & Magma](https://bids.github.io/colormap/) (sequential)

Unicolour.Tests/DatasetNordTests.cs

@@ -0,0 +1,39 @@
+using System.Linq;
+using NUnit.Framework;
+using Wacton.Unicolour.Datasets;
+
+namespace Wacton.Unicolour.Tests;
+
+public class DatasetNordTests
+{
+    private static readonly Unicolour[] nord = Nord.All.ToArray();
+    
+    [TestCase(0, "#2e3440")]
+    [TestCase(1, "#3b4252")]
+    [TestCase(2, "#434c5e")]
+    [TestCase(3, "#4c566a")]
+    [TestCase(4, "#d8dee9")]
+    [TestCase(5, "#e5e9f0")]
+    [TestCase(6, "#eceff4")]
+    [TestCase(7, "#8fbcbb")]
+    [TestCase(8, "#88c0d0")]
+    [TestCase(9, "#81a1c1")]
+    [TestCase(10, "#5e81ac")]
+    [TestCase(11, "#bf616a")]
+    [TestCase(12, "#d08770")]
+    [TestCase(13, "#ebcb8b")]
+    [TestCase(14, "#a3be8c")]
+    [TestCase(15, "#b48ead")]
+    public void ByIndex(int index, string expected)
+    {
+        var colour = nord[index];
+        Assert.That(colour.Hex.ToLower(), Is.EqualTo(expected.ToLower()));
+    }
+    
+    [Test]
+    public void All()
+    {
+        Assert.That(Nord.All.Count(), Is.EqualTo(16));
+        Assert.That(Nord.All.Distinct().Count(), Is.EqualTo(16));
+    }
+}

docs/README.md

@@ -574,6 +574,7 @@ Commonly used sets of colours:
 - [CSS specification](https://www.w3.org/TR/css-color-4/#named-colors) named colours
 - [xkcd](https://xkcd.com/color/rgb/) colour survey results
 - [Macbeth ColorChecker](https://en.wikipedia.org/wiki/ColorChecker) colour rendition chart
+- [Nord](https://www.nordtheme.com/) theme colours
 
 Perceptually uniform colourmaps / palettes:
 - [Viridis, Plasma, Inferno & Magma](https://bids.github.io/colormap/) (sequential)

docs/README_us.md

@@ -574,6 +574,7 @@ Commonly used sets of colors:
 - [CSS specification](https://www.w3.org/TR/css-color-4/#named-colors) named colors
 - [xkcd](https://xkcd.com/color/rgb/) color survey results
 - [Macbeth ColorChecker](https://en.wikipedia.org/wiki/ColorChecker) color rendition chart
+- [Nord](https://www.nordtheme.com/) theme colors
 
 Perceptually uniform colormaps / palettes:
 - [Viridis, Plasma, Inferno & Magma](https://bids.github.io/colormap/) (sequential)