diff --git a/source/Ox.UI/themes/oxmedium/json/theme.jsonc b/source/Ox.UI/themes/oxmedium/json/theme.jsonc
index af1d4034..101e69e5 100644
--- a/source/Ox.UI/themes/oxmedium/json/theme.jsonc
+++ b/source/Ox.UI/themes/oxmedium/json/theme.jsonc
@@ -231,8 +231,8 @@
     "videoAnnotationSelectedBackground": [80, 80, 80],
     "videoAnnotationSeparatorColor": [112, 112, 112],
 
-    "videoMarkerBackground": [192, 192, 192],
-    "videoMarkerBorder": [64, 64, 64],
+    "videoMarkerBackground": [255, 255, 255],
+    "videoMarkerBorder": [0, 0, 0],
 
     "videoTimelineDefaultGradient": [[64, 64, 64], [192, 192, 192]],
     "videoTimelineEditableGradient": [[0, 0, 128], [128, 128, 255]],