diff --git a/.github/assets/banner-dark.svg b/.github/assets/banner-dark.svg
new file mode 100644
index 000000000..e3af6417f
--- /dev/null
+++ b/.github/assets/banner-dark.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 300 64" role="img" aria-label="RetroBIOS"><g transform="scale(1.3333)"><mask id="glyph"><rect x="8" y="8" width="32" height="32" rx="4" fill="#fff"/><rect x="11.6" y="11.6" width="5" height="5" rx="0.6" fill="#000"/><rect x="18.2" y="11.6" width="5" height="5" rx="0.6" fill="#000"/><rect x="24.8" y="11.6" width="5" height="5" rx="0.6" fill="#5a5a5a"/><rect x="18.2" y="18.2" width="5" height="5" rx="0.6" fill="#000"/><rect x="31.4" y="18.2" width="5" height="5" rx="0.6" fill="#5a5a5a"/><rect x="11.6" y="24.8" width="5" height="5" rx="0.6" fill="#000"/><rect x="31.4" y="24.8" width="5" height="5" rx="0.6" fill="#000"/><rect x="18.2" y="31.4" width="5" height="5" rx="0.6" fill="#5a5a5a"/><rect x="24.8" y="31.4" width="5" height="5" rx="0.6" fill="#000"/><rect x="31.4" y="31.4" width="5" height="5" rx="0.6" fill="#000"/></mask><rect x="11.8" y="2.5" width="3.4" height="5.5" rx="0.8" fill="#fff"/><rect x="11.8" y="40" width="3.4" height="5.5" rx="0.8" fill="#fff"/><rect x="2.5" y="11.8" width="5.5" height="3.4" rx="0.8" fill="#fff"/><rect x="40" y="11.8" width="5.5" height="3.4" rx="0.8" fill="#fff"/><rect x="18.8" y="2.5" width="3.4" height="5.5" rx="0.8" fill="#fff"/><rect x="18.8" y="40" width="3.4" height="5.5" rx="0.8" fill="#fff"/><rect x="2.5" y="18.8" width="5.5" height="3.4" rx="0.8" fill="#fff"/><rect x="40" y="18.8" width="5.5" height="3.4" rx="0.8" fill="#fff"/><rect x="25.8" y="2.5" width="3.4" height="5.5" rx="0.8" fill="#fff"/><rect x="25.8" y="40" width="3.4" height="5.5" rx="0.8" fill="#fff"/><rect x="2.5" y="25.8" width="5.5" height="3.4" rx="0.8" fill="#fff"/><rect x="40" y="25.8" width="5.5" height="3.4" rx="0.8" fill="#fff"/><rect x="32.8" y="2.5" width="3.4" height="5.5" rx="0.8" fill="#fff"/><rect x="32.8" y="40" width="3.4" height="5.5" rx="0.8" fill="#fff"/><rect x="2.5" y="32.8" width="5.5" height="3.4" rx="0.8" fill="#fff"/><rect x="40" y="32.8" width="5.5" height="3.4" rx="0.8" fill="#fff"/><rect x="8" y="8" width="32" height="32" rx="4" fill="#fff" mask="url(#glyph)"/></g><text x="76" y="44" fill="#aebcff" font-family="system-ui, -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif" font-size="36" font-weight="600">RetroBIOS</text></svg>
diff --git a/.github/assets/banner-light.png b/.github/assets/banner-light.png
deleted file mode 100644
index 71a299837..000000000
Binary files a/.github/assets/banner-light.png and /dev/null differ
diff --git a/.github/assets/banner-light.svg b/.github/assets/banner-light.svg
new file mode 100644
index 000000000..d8e1c521c
--- /dev/null
+++ b/.github/assets/banner-light.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 300 64" role="img" aria-label="RetroBIOS"><g transform="scale(1.3333)"><mask id="glyph"><rect x="8" y="8" width="32" height="32" rx="4" fill="#fff"/><rect x="11.6" y="11.6" width="5" height="5" rx="0.6" fill="#000"/><rect x="18.2" y="11.6" width="5" height="5" rx="0.6" fill="#000"/><rect x="24.8" y="11.6" width="5" height="5" rx="0.6" fill="#5a5a5a"/><rect x="18.2" y="18.2" width="5" height="5" rx="0.6" fill="#000"/><rect x="31.4" y="18.2" width="5" height="5" rx="0.6" fill="#5a5a5a"/><rect x="11.6" y="24.8" width="5" height="5" rx="0.6" fill="#000"/><rect x="31.4" y="24.8" width="5" height="5" rx="0.6" fill="#000"/><rect x="18.2" y="31.4" width="5" height="5" rx="0.6" fill="#5a5a5a"/><rect x="24.8" y="31.4" width="5" height="5" rx="0.6" fill="#000"/><rect x="31.4" y="31.4" width="5" height="5" rx="0.6" fill="#000"/></mask><rect x="11.8" y="2.5" width="3.4" height="5.5" rx="0.8" fill="#3b3f7a"/><rect x="11.8" y="40" width="3.4" height="5.5" rx="0.8" fill="#3b3f7a"/><rect x="2.5" y="11.8" width="5.5" height="3.4" rx="0.8" fill="#3b3f7a"/><rect x="40" y="11.8" width="5.5" height="3.4" rx="0.8" fill="#3b3f7a"/><rect x="18.8" y="2.5" width="3.4" height="5.5" rx="0.8" fill="#3b3f7a"/><rect x="18.8" y="40" width="3.4" height="5.5" rx="0.8" fill="#3b3f7a"/><rect x="2.5" y="18.8" width="5.5" height="3.4" rx="0.8" fill="#3b3f7a"/><rect x="40" y="18.8" width="5.5" height="3.4" rx="0.8" fill="#3b3f7a"/><rect x="25.8" y="2.5" width="3.4" height="5.5" rx="0.8" fill="#3b3f7a"/><rect x="25.8" y="40" width="3.4" height="5.5" rx="0.8" fill="#3b3f7a"/><rect x="2.5" y="25.8" width="5.5" height="3.4" rx="0.8" fill="#3b3f7a"/><rect x="40" y="25.8" width="5.5" height="3.4" rx="0.8" fill="#3b3f7a"/><rect x="32.8" y="2.5" width="3.4" height="5.5" rx="0.8" fill="#3b3f7a"/><rect x="32.8" y="40" width="3.4" height="5.5" rx="0.8" fill="#3b3f7a"/><rect x="2.5" y="32.8" width="5.5" height="3.4" rx="0.8" fill="#3b3f7a"/><rect x="40" y="32.8" width="5.5" height="3.4" rx="0.8" fill="#3b3f7a"/><rect x="8" y="8" width="32" height="32" rx="4" fill="#3b3f7a" mask="url(#glyph)"/></g><text x="76" y="44" fill="#273c8f" font-family="system-ui, -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif" font-size="36" font-weight="600">RetroBIOS</text></svg>
diff --git a/.github/assets/banner.png b/.github/assets/banner.png
deleted file mode 100644
index 4392ff56d..000000000
Binary files a/.github/assets/banner.png and /dev/null differ
diff --git a/README.md b/README.md
index 75582f03a..b81421389 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,8 @@
 <p align="center">
-  <img src=".github/assets/banner.png" alt="RetroBIOS" width="400">
+  <picture>
+    <source media="(prefers-color-scheme: dark)" srcset=".github/assets/banner-dark.svg">
+    <img src=".github/assets/banner-light.svg" alt="RetroBIOS" width="400">
+  </picture>
 </p>
 
 <p align="center">
@@ -200,4 +203,4 @@ The scripts and tooling are released under the [MIT License](LICENSE).
 The BIOS and firmware files are not covered by that license: they are third-party system software, preserved and provided for personal backup, archival, and interoperability with emulation software. [NOTICE](NOTICE) sets out their status and how to ask for a file to be removed.
 The reasoning, and where it is weakest, is in [the project's legal position](https://abdess.github.io/retrobios/wiki/legal/).
 
-*Auto-generated on 2026-10-26T22:14:08Z*
+*Auto-generated on 2026-10-27T23:07:44Z*
diff --git a/scripts/generate_readme.py b/scripts/generate_readme.py
index 4bbd421ba..4e3d48286 100644
--- a/scripts/generate_readme.py
+++ b/scripts/generate_readme.py
@@ -535,7 +535,10 @@ def generate_readme(db: dict, platforms_dir: str, db_path: str = "database.json"
 
     lines = [
         '<p align="center">',
-        '  <img src=".github/assets/banner.png" alt="RetroBIOS" width="400">',
+        "  <picture>",
+        '    <source media="(prefers-color-scheme: dark)" srcset=".github/assets/banner-dark.svg">',
+        '    <img src=".github/assets/banner-light.svg" alt="RetroBIOS" width="400">',
+        "  </picture>",
         "</p>",
         "",
         '<p align="center">',