diff --git a/isopleuros/pkgdown.yml b/isopleuros/pkgdown.yml
index d8f1a24da..35c5116a3 100644
--- a/isopleuros/pkgdown.yml
+++ b/isopleuros/pkgdown.yml
@@ -2,7 +2,7 @@ pandoc: 2.19.2
 pkgdown: 2.0.7
 pkgdown_sha: ~
 articles: {}
-last_built: 2023-12-29T12:43Z
+last_built: 2024-01-08T12:30Z
 urls:
   reference: https://packages.tesselle.org/isopleuros/reference
   article: https://packages.tesselle.org/isopleuros/articles
diff --git a/isopleuros/reference/ternary_grid-1.png b/isopleuros/reference/ternary_grid-1.png
index 3e7cb6cf4..be2c242e8 100644
Binary files a/isopleuros/reference/ternary_grid-1.png and b/isopleuros/reference/ternary_grid-1.png differ
diff --git a/isopleuros/reference/ternary_grid-2.png b/isopleuros/reference/ternary_grid-2.png
index fc78ba270..4c221e94e 100644
Binary files a/isopleuros/reference/ternary_grid-2.png and b/isopleuros/reference/ternary_grid-2.png differ
diff --git a/isopleuros/reference/ternary_grid-3.png b/isopleuros/reference/ternary_grid-3.png
index 921efb6e6..69e3392d2 100644
Binary files a/isopleuros/reference/ternary_grid-3.png and b/isopleuros/reference/ternary_grid-3.png differ
diff --git a/isopleuros/reference/ternary_labels-1.png b/isopleuros/reference/ternary_labels-1.png
index ac7c0537a..84c3d6a46 100644
Binary files a/isopleuros/reference/ternary_labels-1.png and b/isopleuros/reference/ternary_labels-1.png differ