diff --git a/.changeset/chatty-tools-travel.md b/.changeset/chatty-tools-travel.md
new file mode 100644
index 00000000000..2d635287905
--- /dev/null
+++ b/.changeset/chatty-tools-travel.md
@@ -0,0 +1,5 @@
+---
+'@primer/react': patch
+---
+
+UnderlineNav2: Correct the icon colours to be `fg.muted`
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index b77850cd2a3..22990ce2b26 100644
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diff --git a/.playwright/snapshots/components/UnderlineNav.test.ts-snapshots/UnderlineNav-With-Icons-dark-linux.png b/.playwright/snapshots/components/UnderlineNav.test.ts-snapshots/UnderlineNav-With-Icons-dark-linux.png
index 1f5df65dfb6..fe3b8308c62 100644
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diff --git a/.playwright/snapshots/components/UnderlineNav.test.ts-snapshots/UnderlineNav-With-Icons-dark-tritanopia-linux.png b/.playwright/snapshots/components/UnderlineNav.test.ts-snapshots/UnderlineNav-With-Icons-dark-tritanopia-linux.png
index 1f5df65dfb6..affe5e39e93 100644
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diff --git a/.playwright/snapshots/components/UnderlineNav.test.ts-snapshots/UnderlineNav-With-Icons-light-colorblind-linux.png b/.playwright/snapshots/components/UnderlineNav.test.ts-snapshots/UnderlineNav-With-Icons-light-colorblind-linux.png
index bf5652a454c..c963aa9a242 100644
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diff --git a/.playwright/snapshots/components/UnderlineNav.test.ts-snapshots/UnderlineNav-With-Icons-light-linux.png b/.playwright/snapshots/components/UnderlineNav.test.ts-snapshots/UnderlineNav-With-Icons-light-linux.png
index bf5652a454c..e02b78f25b3 100644
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diff --git a/.playwright/snapshots/components/UnderlineNav.test.ts-snapshots/UnderlineNav-With-Icons-light-tritanopia-linux.png b/.playwright/snapshots/components/UnderlineNav.test.ts-snapshots/UnderlineNav-With-Icons-light-tritanopia-linux.png
index bf5652a454c..c963aa9a242 100644
Binary files a/.playwright/snapshots/components/UnderlineNav.test.ts-snapshots/UnderlineNav-With-Icons-light-tritanopia-linux.png and b/.playwright/snapshots/components/UnderlineNav.test.ts-snapshots/UnderlineNav-With-Icons-light-tritanopia-linux.png differ
diff --git a/src/UnderlineNav2/__snapshots__/UnderlineNav.test.tsx.snap b/src/UnderlineNav2/__snapshots__/UnderlineNav.test.tsx.snap
index 31095a86b83..eae2b632c0b 100644
--- a/src/UnderlineNav2/__snapshots__/UnderlineNav.test.tsx.snap
+++ b/src/UnderlineNav2/__snapshots__/UnderlineNav.test.tsx.snap
@@ -55,6 +55,10 @@ exports[`UnderlineNav renders consistently 1`] = `
   padding-bottom: calc((2rem - 1.25rem) / 2);
 }
 
+.c4 span[data-component="icon"] {
+  color: #656d76;
+}
+
 .c4:focus {
   outline: 2px solid transparent;
 }
diff --git a/src/UnderlineNav2/styles.ts b/src/UnderlineNav2/styles.ts
index 8ce978d02d6..62c47ac2340 100644
--- a/src/UnderlineNav2/styles.ts
+++ b/src/UnderlineNav2/styles.ts
@@ -85,6 +85,9 @@ export const getLinkStyles = (
   textAlign: 'center',
   textDecoration: 'none',
   lineHeight: 'calc(20/14)',
+  '& span[data-component="icon"]': {
+    color: 'fg.muted',
+  },
   borderRadius: 2,
   ...(props?.variant === 'small' ? smallVariantLinkStyles : defaultVariantLinkStyles),
   '@media (hover:hover)': {