diff --git a/public/images/fes.svg b/public/images/fes.svg
new file mode 100644
index 0000000000..1578b57306
--- /dev/null
+++ b/public/images/fes.svg
@@ -0,0 +1,21 @@
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\ No newline at end of file
diff --git a/src/content/contributor-docs/en/fes_contribution_guide.mdx b/src/content/contributor-docs/en/fes_contribution_guide.mdx
index c68ad15c30..82d27efa86 100644
--- a/src/content/contributor-docs/en/fes_contribution_guide.mdx
+++ b/src/content/contributor-docs/en/fes_contribution_guide.mdx
@@ -26,7 +26,11 @@ The main functions for generating the Friendly Error messages are:
 
 Here is a diagram that outlines the location of all functions in FES and how they connect to others:
 
-![A diagram of the files used in FES and their uses](src/content/contributor-docs/images/fes.svg)
+<img
+  src="/images/fes.svg"
+  alt="A diagram of the files used in FES and their uses"
+  className="invert-in-dark"
+/>
 
 Individual files contain the following main FES functions:
 
diff --git a/styles/global.scss b/styles/global.scss
index 5f34f2ec78..facdfac4c2 100644
--- a/styles/global.scss
+++ b/styles/global.scss
@@ -409,6 +409,10 @@ pre.code-box,
   }
 }
 
+.dark-theme .invert-in-dark {
+  filter: invert(100%);
+}
+
 // Grid that switches from 2 to 3 to 4 columns as screen gets bigger
 // Usually used with items that have a column width of 3
 .content-grid {