diff --git a/README.md b/README.md
index 263d303..7adc13e 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ The following built-in themes are available:
  * `AnsiConsoleTheme.Literate` - an ANSI 256-color version of the "literate" theme
  * `AnsiConsoleTheme.Grayscale` - an ANSI 256-color version of the "grayscale" theme
  * `AnsiConsoleTheme.Code` - an ANSI 256-color Visual Studio Code-inspired theme
- * `AnsiConsoleTheme.Sixteen` - an ANSI 16-color version of the "literate" theme that works with light and dark backgrounds
+ * `AnsiConsoleTheme.Sixteen` - an ANSI 16-color theme that works well with both light and dark backgrounds
 
  Adding a new theme is straightforward; examples can be found in the [`SystemConsoleThemes`](https://github.com/serilog/serilog-sinks-console/blob/dev/src/Serilog.Sinks.Console/Sinks/SystemConsole/Themes/SystemConsoleThemes.cs) and [`AnsiConsoleThemes`](https://github.com/serilog/serilog-sinks-console/blob/dev/src/Serilog.Sinks.Console/Sinks/SystemConsole/Themes/AnsiConsoleThemes.cs) classes.
 
diff --git a/src/Serilog.Sinks.Console/Sinks/SystemConsole/Themes/AnsiConsoleThemes.cs b/src/Serilog.Sinks.Console/Sinks/SystemConsole/Themes/AnsiConsoleThemes.cs
index 87bee56..1728aa0 100644
--- a/src/Serilog.Sinks.Console/Sinks/SystemConsole/Themes/AnsiConsoleThemes.cs
+++ b/src/Serilog.Sinks.Console/Sinks/SystemConsole/Themes/AnsiConsoleThemes.cs
@@ -18,27 +18,6 @@ namespace Serilog.Sinks.SystemConsole.Themes
 {
     static class AnsiConsoleThemes
     {
-        const string Reset = "\x1b[0m";
-        const string Bold = "\x1b[1m";
-
-        const string Black = "\x1b[30m";
-        const string Red = "\x1b[31m";
-        const string Green = "\x1b[32m";
-        const string Yellow = "\x1b[33m";
-        const string Blue = "\x1b[34m";
-        const string Magenta = "\x1b[35m";
-        const string Cyan = "\x1b[36m";
-        const string White = "\x1b[37m";
-
-        const string BrightBlack = "\x1b[30;1m";
-        const string BrightRed = "\x1b[31;1m";
-        const string BrightGreen = "\x1b[32;1m";
-        const string BrightYellow = "\x1b[33;1m";
-        const string BrightBlue = "\x1b[34;1m";
-        const string BrightMagenta = "\x1b[35;1m";
-        const string BrightCyan = "\x1b[36;1m";
-        const string BrightWhite = "\x1b[37;1m";
-
         public static AnsiConsoleTheme Literate { get; } = new AnsiConsoleTheme(
             new Dictionary<ConsoleThemeStyle, string>
             {
@@ -105,22 +84,22 @@ static class AnsiConsoleThemes
         public static AnsiConsoleTheme Sixteen { get; } = new AnsiConsoleTheme(
             new Dictionary<ConsoleThemeStyle, string>
             {
-                [ConsoleThemeStyle.Text] = Reset,
-                [ConsoleThemeStyle.SecondaryText] = Reset,
-                [ConsoleThemeStyle.TertiaryText] = Reset,
-                [ConsoleThemeStyle.Invalid] = Yellow,
-                [ConsoleThemeStyle.Null] = Blue,
-                [ConsoleThemeStyle.Name] = Reset,
-                [ConsoleThemeStyle.String] = Cyan,
-                [ConsoleThemeStyle.Number] = Magenta,
-                [ConsoleThemeStyle.Boolean] = Blue,
-                [ConsoleThemeStyle.Scalar] = Green,
-                [ConsoleThemeStyle.LevelVerbose] = Reset,
-                [ConsoleThemeStyle.LevelDebug] = Bold,
-                [ConsoleThemeStyle.LevelInformation] = BrightCyan,
-                [ConsoleThemeStyle.LevelWarning] = BrightYellow,
-                [ConsoleThemeStyle.LevelError] = BrightRed,
-                [ConsoleThemeStyle.LevelFatal] = "\x1b[38;5;0015m\x1b[48;5;0196m",
+                [ConsoleThemeStyle.Text] = AnsiEscapeSequence.Unthemed,
+                [ConsoleThemeStyle.SecondaryText] = AnsiEscapeSequence.Unthemed,
+                [ConsoleThemeStyle.TertiaryText] = AnsiEscapeSequence.Unthemed,
+                [ConsoleThemeStyle.Invalid] = AnsiEscapeSequence.Yellow,
+                [ConsoleThemeStyle.Null] = AnsiEscapeSequence.Blue,
+                [ConsoleThemeStyle.Name] = AnsiEscapeSequence.Unthemed,
+                [ConsoleThemeStyle.String] = AnsiEscapeSequence.Cyan,
+                [ConsoleThemeStyle.Number] = AnsiEscapeSequence.Magenta,
+                [ConsoleThemeStyle.Boolean] = AnsiEscapeSequence.Blue,
+                [ConsoleThemeStyle.Scalar] = AnsiEscapeSequence.Green,
+                [ConsoleThemeStyle.LevelVerbose] = AnsiEscapeSequence.Unthemed,
+                [ConsoleThemeStyle.LevelDebug] = AnsiEscapeSequence.Bold,
+                [ConsoleThemeStyle.LevelInformation] = AnsiEscapeSequence.BrightCyan,
+                [ConsoleThemeStyle.LevelWarning] = AnsiEscapeSequence.BrightYellow,
+                [ConsoleThemeStyle.LevelError] = AnsiEscapeSequence.BrightRed,
+                [ConsoleThemeStyle.LevelFatal] = AnsiEscapeSequence.BrightRed,
             });
     }
 }
diff --git a/src/Serilog.Sinks.Console/Sinks/SystemConsole/Themes/AnsiEscapeSequence.cs b/src/Serilog.Sinks.Console/Sinks/SystemConsole/Themes/AnsiEscapeSequence.cs
new file mode 100644
index 0000000..2512190
--- /dev/null
+++ b/src/Serilog.Sinks.Console/Sinks/SystemConsole/Themes/AnsiEscapeSequence.cs
@@ -0,0 +1,41 @@
+// Copyright 2017 Serilog Contributors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+namespace Serilog.Sinks.SystemConsole.Themes
+{
+    static class AnsiEscapeSequence
+    {
+        public const string Unthemed = "";
+        public const string Reset = "\x1b[0m";
+        public const string Bold = "\x1b[1m";
+
+        public const string Black = "\x1b[30m";
+        public const string Red = "\x1b[31m";
+        public const string Green = "\x1b[32m";
+        public const string Yellow = "\x1b[33m";
+        public const string Blue = "\x1b[34m";
+        public const string Magenta = "\x1b[35m";
+        public const string Cyan = "\x1b[36m";
+        public const string White = "\x1b[37m";
+
+        public const string BrightBlack = "\x1b[30;1m";
+        public const string BrightRed = "\x1b[31;1m";
+        public const string BrightGreen = "\x1b[32;1m";
+        public const string BrightYellow = "\x1b[33;1m";
+        public const string BrightBlue = "\x1b[34;1m";
+        public const string BrightMagenta = "\x1b[35;1m";
+        public const string BrightCyan = "\x1b[36;1m";
+        public const string BrightWhite = "\x1b[37;1m";
+    }
+}
\ No newline at end of file