diff --git a/app/src/main/java/moe/matsuri/nb4a/ui/SimpleMenuPreference.kt b/app/src/main/java/moe/matsuri/nb4a/ui/SimpleMenuPreference.kt
index afb42d598..4e4141ac7 100644
--- a/app/src/main/java/moe/matsuri/nb4a/ui/SimpleMenuPreference.kt
+++ b/app/src/main/java/moe/matsuri/nb4a/ui/SimpleMenuPreference.kt
@@ -23,6 +23,7 @@ import android.view.View
 import android.view.ViewGroup
 import android.widget.ArrayAdapter
 import android.widget.Spinner
+import androidx.core.graphics.ColorUtils
 import androidx.preference.DropDownPreference
 import androidx.preference.PreferenceViewHolder
 import io.nekohasekai.sagernet.R
@@ -70,7 +71,14 @@ open class SimpleMenuPreference
         var currentPosition = -1
 
         private val radius = 12f * context.resources.displayMetrics.density
-        private val selectedColor = context.getColorAttr(R.attr.colorMaterial100)
+
+        // Highlight the selected item with a translucent primary tint rather than
+        // an opaque colorMaterial100 fill: the light fill made the (light) item
+        // text low-contrast on dark themes. ~20% alpha reads on any background
+        // while keeping the text legible.
+        private val selectedColor = ColorUtils.setAlphaComponent(
+            context.getColorAttr(R.attr.colorPrimary), 41 // 0.16 alpha, matches nav_item_fill.xml
+        )
 
         private val topDrawable = GradientDrawable().apply {
             setColor(selectedColor)