diff --git a/aider/args.py b/aider/args.py
index 65ddba5d5..dd1ab0e33 100644
--- a/aider/args.py
+++ b/aider/args.py
@@ -290,6 +290,12 @@ def get_parser(default_config_files, git_root):
         help="Use colors suitable for a light terminal background (default: False)",
         default=False,
     )
+    group.add_argument(
+        "--light-mode",
+        action="store_true",
+        help="Use colors suitable for a light terminal background (default: False)",
+        default=False,
+    )
     group.add_argument(
         "--pretty",
         action=argparse.BooleanOptionalAction,
@@ -315,7 +321,12 @@ def get_parser(default_config_files, git_root):
     group.add_argument(
         "--tool-error-color",
         default="#FF2222",
-        help="Set the color for tool error messages (default: red)",
+        help="Set the color for tool error messages (default: #FF2222)",
+    )
+    group.add_argument(
+        "--tool-warning-color",
+        default="#FFA500",
+        help="Set the color for tool warning messages (default: #FFA500)",
     )
     group.add_argument(
         "--assistant-output-color",
diff --git a/aider/main.py b/aider/main.py
index fa02e28ed..5df804647 100644
--- a/aider/main.py
+++ b/aider/main.py
@@ -368,12 +368,14 @@ def main(argv=None, input=None, output=None, force_git_root=None, return_coder=F
     if args.dark_mode:
         args.user_input_color = "#32FF32"
         args.tool_error_color = "#FF3333"
+        args.tool_warning_color = "#FFFF00"
         args.assistant_output_color = "#00FFFF"
         args.code_theme = "monokai"
 
     if args.light_mode:
         args.user_input_color = "green"
         args.tool_error_color = "red"
+        args.tool_warning_color = "#FFA500"
         args.assistant_output_color = "blue"
         args.code_theme = "default"