diff --git a/src/color.cc b/src/color.cc
index 19df9752..de422098 100644
--- a/src/color.cc
+++ b/src/color.cc
@@ -52,7 +52,7 @@ Color str_to_color(StringView color)
     return Color::Default;
 }
 
-String color_to_str(Color color)
+String to_string(Color color)
 {
     if (color.color == Color::RGB)
     {
@@ -70,7 +70,7 @@ String color_to_str(Color color)
 
 String option_to_string(Color color)
 {
-    return color_to_str(color);
+    return to_string(color);
 }
 
 void option_from_string(StringView str, Color& color)
diff --git a/src/color.hh b/src/color.hh
index b4c75304..d8a2fcce 100644
--- a/src/color.hh
+++ b/src/color.hh
@@ -48,7 +48,7 @@ constexpr bool operator!=(Color lhs, Color rhs)
 }
 
 Color str_to_color(StringView color);
-String color_to_str(Color color);
+String to_string(Color color);
 
 String option_to_string(Color color);
 void option_from_string(StringView str, Color& color);
diff --git a/src/face_registry.cc b/src/face_registry.cc
index 0ae1ae46..192f9fda 100644
--- a/src/face_registry.cc
+++ b/src/face_registry.cc
@@ -42,7 +42,7 @@ static Face parse_face(StringView facedesc)
     return res;
 }
 
-String attributes_to_str(Attribute attributes)
+String to_string(Attribute attributes)
 {
     if (attributes == Attribute::Normal)
         return "";
@@ -67,10 +67,7 @@ String attributes_to_str(Attribute attributes)
 
 String to_string(Face face)
 {
-    return format("{},{}{}",
-                  color_to_str(face.fg),
-                  color_to_str(face.bg),
-                  attributes_to_str(face.attributes));
+    return format("{},{}{}", face.fg, face.bg, face.attributes);
 }
 
 Face FaceRegistry::operator[](const String& facedesc)
diff --git a/src/json_ui.cc b/src/json_ui.cc
index 8f4d4663..ca7d3109 100644
--- a/src/json_ui.cc
+++ b/src/json_ui.cc
@@ -68,7 +68,7 @@ String to_json(Color color)
         sprintf(buffer, R"("#%02x%02x%02x")", color.r, color.g, color.b);
         return buffer;
     }
-    return to_json(color_to_str(color));
+    return to_json(to_string(color));
 }
 
 String to_json(Attribute attributes)