diff --git a/napari/utils/_tests/test_theme.py b/napari/utils/_tests/test_theme.py
index b18bbb26512..eeca022070b 100644
--- a/napari/utils/_tests/test_theme.py
+++ b/napari/utils/_tests/test_theme.py
@@ -2,12 +2,17 @@
 import sys
 
 import pytest
+from npe2 import PluginManager, PluginManifest
+from npe2 import __version__ as npe2_version
+from npe2.manifest.schema import ContributionPoints
+from packaging.version import parse as parse_version
 from pydantic import ValidationError
 
 from napari.resources._icons import PLUGIN_FILE_NAME
 from napari.settings import get_settings
 from napari.utils.theme import (
     Theme,
+    _install_npe2_themes,
     available_themes,
     get_theme,
     is_theme_available,
@@ -160,3 +165,47 @@ def mock_install_theme(_themes):
     assert is_theme_available("test_blue")
     assert len(available_themes()) == n_themes + 1
     assert "test_blue" in available_themes()
+
+
+@pytest.mark.skipif(
+    parse_version(npe2_version) < parse_version("0.6.2"),
+    reason="requires npe2 0.6.2 for syntax style contributions",
+)
+def test_theme_registration(monkeypatch, caplog):
+    data = {"dark": get_theme("dark", as_dict=False)}
+
+    manifest = PluginManifest(
+        name="theme_test",
+        display_name="Theme Test",
+        contributions=ContributionPoints(
+            themes=[
+                {
+                    "id": "theme1",
+                    "label": "Theme 1",
+                    "type": "dark",
+                    "syntax_style": "native",
+                    "colors": {},
+                },
+                {
+                    "id": "theme2",
+                    "label": "Theme 2",
+                    "type": "dark",
+                    "syntax_style": "does_not_exist",
+                    "colors": {},
+                },
+            ]
+        ),
+    )
+
+    def mock_iter_manifests(disabled):
+        return [manifest]
+
+    monkeypatch.setattr(
+        PluginManager.instance(), "iter_manifests", mock_iter_manifests
+    )
+    monkeypatch.setattr("napari.utils.theme._themes", data)
+    _install_npe2_themes(data)
+
+    assert "theme1" in data
+    assert "theme2" not in data
+    assert "Registration theme failed" in caplog.text
diff --git a/napari/utils/theme.py b/napari/utils/theme.py
index 47a7fded955..8866a24e312 100644
--- a/napari/utils/theme.py
+++ b/napari/utils/theme.py
@@ -1,5 +1,6 @@
 # syntax_style for the console must be one of the supported styles from
 # pygments - see here for examples https://help.farbox.com/pygments.html
+import logging
 import re
 import warnings
 from ast import literal_eval
@@ -386,7 +387,10 @@ def _install_npe2_themes(themes=None):
             theme_colors = theme.colors.dict(exclude_unset=True)
             theme_dict.update(theme_info)
             theme_dict.update(theme_colors)
-            register_theme(theme.id, theme_dict, manifest.name)
+            try:
+                register_theme(theme.id, theme_dict, manifest.name)
+            except ValueError as e:
+                logging.exception("Registration theme failed.\n%s", e)
 
 
 _install_npe2_themes(_themes)