diff --git a/README.md b/README.md
index 3bda667..29b2f0a 100644
--- a/README.md
+++ b/README.md
@@ -142,15 +142,21 @@ Therefore, please use the following syntax: for the toml file
 # Use the default theme
 default = "default"
 default = 0
-# Use the default theme
+# Use the dark theme
 default = "dark"
 default = 1
-# Use the default theme
+# Use the blue theme
 default = "blue"
 default = 2
-# Use the default theme
+# Use the robot theme
 default = "robot"
 default = 3
+# Use the dark robot theme
+default = "robot_dark"
+default = 4
+# Use the green theme
+default = "green"
+default = 5
 ```
 
 For setting it via CLI, please use the following:
diff --git a/src/testdoc/default.toml b/src/testdoc/default.toml
index 812d283..da855c9 100644
--- a/src/testdoc/default.toml
+++ b/src/testdoc/default.toml
@@ -1,3 +1,3 @@
 # Find here some default settings like the used default theme
 [default]
-theme = "dark"
+theme = "robot_dark"
diff --git a/src/testdoc/html/themes/theme_config.py b/src/testdoc/html/themes/theme_config.py
index 21d7698..eb80d3e 100644
--- a/src/testdoc/html/themes/theme_config.py
+++ b/src/testdoc/html/themes/theme_config.py
@@ -1,5 +1,5 @@
 from ...helper.cliargs import CommandLineArguments
-from .themes import DEFAULT_THEME, ROBOT_THEME, DARK_THEME, BLUE_THEME
+from .themes import DEFAULT_THEME, ROBOT_THEME, DARK_THEME, BLUE_THEME, ROBOT_THEME_DARK, GREEN_THEME
 
 import os
 import tomli
@@ -38,4 +38,8 @@ def _get_predefined_theme(self, theme: str):
             return ROBOT_THEME
         if theme == "blue" or theme == 3:
             return BLUE_THEME
+        if theme == "robot_dark" or theme == 4:
+            return ROBOT_THEME_DARK
+        if theme == "green" or theme == 5:
+            return GREEN_THEME
         
\ No newline at end of file
diff --git a/src/testdoc/html/themes/themes.py b/src/testdoc/html/themes/themes.py
index 4bfb474..92b24d8 100644
--- a/src/testdoc/html/themes/themes.py
+++ b/src/testdoc/html/themes/themes.py
@@ -13,14 +13,36 @@
 ROBOT_THEME = {
     "background": "#f8f9fa",
     "inner_color": "#f8f9fa",
-    "button_active_color": "#C2C2C2",
-    "button_hover_color": "#C2C2C2",
+    "button_active_color": "#dcdcdc",
+    "button_hover_color": "#dcdcdc",
     "border_color": "black",
     "text_color": "black",
     "title_color": "black",
     "robot_icon": "#00c0b5",
 }
 
+ROBOT_THEME_DARK = {
+    "background": "#1b1b1d",
+    "inner_color": "#1b1b1d",
+    "button_active_color": "#272729",
+    "button_hover_color": "#5F5F5F",
+    "border_color": "#e3e3e3",
+    "text_color": "#e3e3e3",
+    "title_color": "#e3e3e3",
+    "robot_icon": "#00c0b5",
+}
+
+GREEN_THEME = {
+    "background": "#1e1e1e",
+    "inner_color": "#1e1e1e",
+    "button_active_color": "#272729",
+    "button_hover_color": "#5F5F5F",
+    "border_color": "#e3e3e3",
+    "text_color": "#009770",
+    "title_color": "#009770",
+    "robot_icon": "#009770",
+}
+
 DARK_THEME = {    
     "background": "#303030",
     "inner_color": "#303030",