diff --git a/aider/args.py b/aider/args.py
index ab88f2e90..cdcf8531d 100644
--- a/aider/args.py
+++ b/aider/args.py
@@ -337,6 +337,30 @@ def get_parser(default_config_files, git_root):
         default="#0088ff",
         help="Set the color for assistant output (default: #0088ff)",
     )
+    group.add_argument(
+        "--completion-menu-color",
+        metavar="COLOR",
+        default="default",
+        help="Set the color for the completion menu (default: terminal's default text color)",
+    )
+    group.add_argument(
+        "--completion-menu-bg-color",
+        metavar="COLOR",
+        default="default",
+        help="Set the background color for the completion menu (default: terminal's default background color)",
+    )
+    group.add_argument(
+        "--completion-menu-current-color",
+        metavar="COLOR",
+        default="default",
+        help="Set the color for the current item in the completion menu (default: terminal's default background color)",
+    )
+    group.add_argument(
+        "--completion-menu-current-bg-color",
+        metavar="COLOR",
+        default="default",
+        help="Set the background color for the current item in the completion menu (default: terminal's default text color)",
+    )
     group.add_argument(
         "--code-theme",
         default="default",
diff --git a/aider/io.py b/aider/io.py
index c12f78ecc..43eda3595 100644
--- a/aider/io.py
+++ b/aider/io.py
@@ -180,6 +180,10 @@ class InputOutput:
         tool_error_color="red",
         tool_warning_color="#FFA500",
         assistant_output_color="blue",
+        completion_menu_color="default",
+        completion_menu_bg_color="default",
+        completion_menu_current_color="default",
+        completion_menu_current_bg_color="default",
         code_theme="default",
         encoding="utf-8",
         dry_run=False,
@@ -196,6 +200,11 @@ class InputOutput:
         self.tool_error_color = tool_error_color if pretty else None
         self.tool_warning_color = tool_warning_color if pretty else None
         self.assistant_output_color = assistant_output_color
+        self.completion_menu_color = completion_menu_color if pretty else None
+        self.completion_menu_bg_color = completion_menu_bg_color if pretty else None
+        self.completion_menu_current_color = completion_menu_current_color if pretty else None
+        self.completion_menu_current_bg_color = completion_menu_current_bg_color if pretty else None
+
         self.code_theme = code_theme
 
         self.input = input
@@ -322,6 +331,8 @@ class InputOutput:
                 {
                     "": self.user_input_color,
                     "pygments.literal.string": f"bold italic {self.user_input_color}",
+                    "completion-menu": f"bg:{self.completion_menu_bg_color} {self.completion_menu_color}",
+                    "completion-menu.completion.current": f"bg:{self.completion_menu_current_bg_color} {self.completion_menu_current_color}",
                 }
             )
         else:
@@ -466,7 +477,11 @@ class InputOutput:
                 self.tool_output(subject, bold=True)
 
         if self.pretty and self.user_input_color:
-            style = {"": self.user_input_color}
+            style = {
+                    "": self.user_input_color,
+                    "completion-menu": f"bg:{self.completion_menu_bg_color} {self.completion_menu_color}",
+                    "completion-menu.completion.current": f"bg:{self.completion_menu_current_bg_color} {self.completion_menu_current_color}",
+                    }
         else:
             style = dict()
 
diff --git a/aider/main.py b/aider/main.py
index 6c45c3373..e27948f43 100644
--- a/aider/main.py
+++ b/aider/main.py
@@ -413,6 +413,10 @@ def main(argv=None, input=None, output=None, force_git_root=None, return_coder=F
             user_input_color=args.user_input_color,
             tool_output_color=args.tool_output_color,
             tool_error_color=args.tool_error_color,
+            completion_menu_color=args.completion_menu_color,
+            completion_menu_bg_color=args.completion_menu_bg_color,
+            completion_menu_current_color=args.completion_menu_current_color,
+            completion_menu_current_bg_color=args.completion_menu_current_bg_color,
             assistant_output_color=args.assistant_output_color,
             code_theme=args.code_theme,
             dry_run=args.dry_run,
diff --git a/aider/website/assets/sample.env b/aider/website/assets/sample.env
index c9c851bf1..d963eec32 100644
--- a/aider/website/assets/sample.env
+++ b/aider/website/assets/sample.env
@@ -165,6 +165,18 @@
 ## Set the color for assistant output (default: #0088ff)
 #AIDER_ASSISTANT_OUTPUT_COLOR=#0088ff
 
+## Set the foreground color for the completion menu (default: terminal's default text color)
+#AIDER_COMPLETION_MENU_COLOR=default
+
+## Set the background color for the completion menu (default: terminal's default background color)
+#AIDER_COMPLETION_MENU_BG_COLOR=default
+
+## Set the foreground color for the current item in the completion menu (default: terminal's default background color)
+#AIDER_COMPLETION_MENU_CURRENT_COLOR=default
+
+## Set the background color for the current item in the completion menu (default: terminal's default text color)
+#AIDER_COMPLETION_MENU_CURRENT_BG_COLOR=default
+
 ## Set the markdown code theme (default: default, other options include monokai, solarized-dark, solarized-light)
 #AIDER_CODE_THEME=default